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Hilary Duff and Matthew Koma -

The 'Lizzie McGuire' star married musician Matthew Koma in mid-December.

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Colin Firth and Livia Giuggioli -

After 22 years of marriage, the couple announced their separation. They have two children together.

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Joshua Jackson and Jodie Turner-Smith -

The actors recently stunned fans by announcing they're married and also expecting a baby!

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Sara Gilbert and Linda Perry -

After five years of marriage, actress Sara Gilbert filed for divorce from her wife, musician Linda Perry. The two have a son together.

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Channing Tatum and Jessie J -

After just over a year of dating, this celebrity power couple called it quits in December.

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Emma Stone and Dave McCary - The 'SNL' director/writer and the actress announced their engagement on Instagram in early December, after dating for more than two years.

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Kylie Jenner and Travis Scott - Though they aren't officially over, the couple has announced that they will be taking some time apart. They're still reportedly sharing custody of their daughter, Stormi.

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Nicki Minaj and Kenneth Petty - After Minaj changed her Twitter name to Mrs. Petty, she revealed that she married her boyfriend Kenneth Petty on October 21.

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Keanu Reeves and Alexandra Grant - The new couple stunned everyone at the LACMA Art + Film Gala red carpet in November. It was mostly praise that Keanu Reeves had found an age-appropriate girlfriend.

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Brody Jenner and Kaitlynn Carter - Jenner and wife Carter split up, with the news released on August 2. However, sources have revealed that they were reportedly never legally married in the first place.

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Miley Cyrus and Liam Hemsworth - The celebrity couple announced their split on August 10 after less than a year. Hemsworth posted on Instagram, that he wished Cyrus "health and happiness."

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Miley Cyrus and Kaitlynn Carter - The two women were photographed together as the news of their respective splits went public, and they dated for a few months. However the spark seemed go out as quickly as it ignited, as they announced their breakup in late September.

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Brody Jenner and Josie Canseco - After his split from Kaitlynn Carter, reality TV star Brody Jenner was seen cozying up to model Josie Canseco, though that also fizzled out at the end of October.

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Miley Cyrus and Cody Simpson - After dating Kaitlynn Carter, Cyrus got together with Australian singer Cody Simpson. They've posted some pretty steamy photos, she's shared controversial opinions about being gay, and they appear to be going strong.

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Liam Hemsworth and Maddison Brown - The recently divorced Hemsworth was spotted with the Australian 'Dynasty' star Maddison Brown in October. But he may have moved on as recently as early December, with Aussie model Gabriella Brooks.

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Dennis Quaid and Laura Savoie - The 65-year-old actor proposed to his 26-year-old girlfriend in October. She is one year younger than his son with Meg Ryan.

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Jennifer Lawrence and Cooke Maroney - After getting engaged in February, JLaw married art gallery director Cooke Maroney on October 19. Among the 150 guests were Emma Stone, Amy Schumer and Adele.

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Zooey Deschanel and Jacob Pechenik - Deschanel and producer Pechenik announced their divorce after four years of marriage on September 6. They claimed that they are "better off as friends, business partners and co-parents rather than life partners."

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Zooey Deschanel and Jonathan Scott - One week after announcing her separation, Zooey Deschanel moved on with 'Property Brothers' star Jonathan Scott.

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Jonah Hill and Gianna Santos - Actor/director Jonah Hill got engaged to his girlfriend of one year on September 3.

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Ellie Goulding and Caspar Jopling - The talented singer married art dealer Jopling in a "very British" wedding on August 31.

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Jamie Foxx and Katie Holmes - The star couple's split, after six years of dating, was announced on August 19. However, it was reported that they hadn't been together since late May.

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Dwayne Johnson and Lauren Hashian - The Rock and longtime girlfriend Lauren Hashian, the mother of two of his children, got married in Hawaii on August 18.

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Bella Hadid and The Weeknd - Bella Hadid and The Weeknd announced their breakup (again) on August 6, with a source claiming that they are in different places "physically and mentally" at the moment. That said, he made an appearance at her birthday party in October, and rumors are flying.

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Rooney Mara and Joaquin Phoenix - After three years of dating, the actress said "yes" to her sometimes costar on July 21, ET Canada reports.

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Bradley Whitford and Amy Landecker - The 'Transparent' and 'Handmaid's Tale' costars eloped on July 18. 

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Sarah Hyland and Wells Adams - The 'Modern Family' star Sarah Hyland and 'The Bachelor in Paradise' personality announced their engagement on July 16.

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Dua Lipa and Anwar Hadid - Shortly after splitting from her chef boyfriend Isaac Carew, the pop star has been repeatedly spotted getting cozy with Gigi and Bella Hadid's younger brother.

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Sophie Turner and Joe Jonas -

These two tied the knot twice this year, first in Las Vegas on May 1, and then in a traditional ceremony in France on June 29. The actress's maid of honor at the wedding was her 'GoT' costar and unlikely best friend, Maisie Williams.

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Zoë Kravitz and Karl Glusman - Kravitz and Glusman were legally married in May, but had a beautiful ceremony in her father's 18th-century Paris mansion on June 29. The 'Big Little Lies' cast was in attendance, as well as Cara Delevingne, Ashley Benson, Donald Glover, Eddie Redmayne, and Denzel Washington, HuffPost reports.

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David Harbour and Alison Sudol - In August, it was reported that the 'Stranger Things' actor and 'The Fantastic Beasts and Where to Find Them' actress had called it quits in July.

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David Harbour and Lily Allen - Also in August, it was reported that Harbour and singer Lily Allen went on their first date. They've since been spotted getting real cozy.

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David Foster and Katharine McPhee - The unlikely pair tied the knot on June 28, and the singer wrote on Instagram, "Exactly 13 years ago today my very first single, 'Somewhere Over The Rainbow,' was released right after Idol. Today... I'm marrying the man who produced it."

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Camila Cabello and Matthew Hussey - On June 26, reports surfaced that the British romance expert, famed for his love advice, and the young pop singer had split.

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Shawn Mendes and Camila Cabello - These longtime friends and 'Señorita' collaborators were rumored to be together for a while, but on July 29 their massive amounts of PDA in Miami confirmed it.

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Laverne Cox and Kyle Draper - After nearly two years of dating, the 'Orange Is the New Black' actress announced that they had called it quits. "We know our relationship meant so much to so many people, especially trans folks ... the hope for love has not waned for me in the face of this breakup but rather is fortified," she wrote on June 25.

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Ashley Benson and Cara Delevingne - After months of speculation, the stars finally confirmed their relationship with a steamy video on June 14. When asked why, Delevingne gave two reasons: the 50th anniversary of the Stonewall Riots and the first anniversary of their relationship.

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Chris Pratt and Katherine Schwarzenegger - Pratt and Schwarzenegger married on June 8, at San Ysidro Ranch in Montecito, California. The two met in the summer of 2018, and announced their engagement in January 2019. Pratt's ex, Anna Faris, was also spotted with an engagement ring in November.

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Kendall Jenner and Ben Simmons - The model had been linked to the NBA star since last May, but the two reportedly decided to go their separate ways around one year later. This isn't, however, the first time they've broken up, and they still hang out.

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Bradley Cooper and Irina Shayk - News broke about the end of Cooper and Shayk's four-year relationship on June 7, announcing that they are working on shared custody of their daughter.

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Scarlett Johansson and Colin Jost - Johansson's publicist confirmed on May 19 that the actress and the 'SNL' star got engaged after two years of dating.

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Jude Law and Phillipa Coan - Actor Jude Law and Phillipa Coan got married in an intimate and low-key ceremony with only close family and friends on April 30.

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Idris Elba and Sabrina Dhowre - Actor Idris Elba and model Sabrina Dhowre got married in Marrakech, Morocco, on April 26.

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Kate Beckinsale and Pete Davidson - The most unexpected couple of 2019 reportedly split after a few months of dating, which apparently had less to do with their age gap and more to do with Davidson's public lifestyle.

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Pete Davidson and Margaret Qualley, then Kaia Gerber - Near the end of August, Davidson was linked to 'Once Upon A Time In Hollywood' actress Qualley (left), but by October he was linked to the 18-year-old model (right).

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Adele and Simon Konecki - The couple announced their divorce on April 19, but in a statement they said they are both committed to raising their son together. In October, it was reported that she was dating Grime artist and fellow Tottenham native Skepta.

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Anna Camp and Skylar Astin - The 'Pitch Perfect' costars have decided, "mutually and amicably," to go their own ways after two years of marriage.

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Marc Jacobs and Char Defrancesco - On April 6, the fashion icon tied the knot with Charly “Char” Defrancesco, a model-turned-candlemaker, at a star-studded New York City wedding.

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Emma Roberts and Evan Peters - The 'American Horror Story' costars broke off their engagement, ending their five-year relationship, shortly after Valentine's Day. Since then, Roberts has been linked to 'Triple Frontier' star Garrett Hedlund, and Peters is dating singer Halsey.

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Rosario Dawson and Cory Booker - The are-they-or-aren't-they couple are officially on! After heaps of rumors, the actress finally confirmed it on March 14.

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Ali Krieger and Ashlyn Harris - After nearly a decade of secret romance, the Women’s World Cup soccer players, who both play for the Orlando Pride, got married in late December.

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Chance the Rapper and Kirsten Corley - The 25-year-old Grammy winner married his childhood crush and mother of his child on March 9, in a gorgeous seaside ceremony with a star-studded guest list.

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Andrew Garfield and Rita Ora - The actor and pop star were first linked in November 2018, but the relationship fizzled as fast as it sizzled and they reportedly broke up in the beginning of March.

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Jennifer Lopez and Alex Rodriguez - J-Lo and A-rod are engaged! Having started dating in 2017, the World Series champion proposed to the singer on March 10 with an enormous emerald-cut diamond ring.

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Charlie Weber and Liza Weil - Fans of 'How to Get Away With Murder' will be sad to hear that Frank and Bonnie have broken up. Costars Weber and Weil announced their cordial split on February 21, two and a half years after they started dating.

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Ed Sheeran and Cherry Seaborn - It was reported in late February that Ed Sheeran and his fiancée, Cherry Seaborn, got married this past December in an intimate ceremony. There were an estimated 40 people in attendance, none of whom were celebrities.

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Khloé Kardashian and Tristan Thompson - In a shocking twist that even reality TV couldn’t orchestrate, Khloé Kardashian broke up with her NBA baby daddy after he cheated on her (again) with Kylie Jenner’s best friend.

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Lady Gaga and Christian Carino - People noticed when Gaga appeared at the Grammys alone—and without her US$400,000 ring—and the rumors were later confirmed: Gaga and Christian Carino called off their engagement.

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Cardi B and Offset - Cardi B announced on December 4, 2018, that she and her husband were calling it quits amid allegations of infidelity on Offset's part. He then famously interrupted her headlining set to try and win her back. Now, however, the two are back together.

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Rami Malek and Lucy Boynton - Though they've technically been together since last spring, Malek didn't confirm his relationship with his 'Bohemian Rhapsody' costar until January 3, while accepting the Breakthrough Performance Award at the Palm Springs International Film Festival gala. 

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Brie Larson and Alex Greenwald - Larson and her fiancé, actor and musician Greenwald, reportedly called off their engagement in January. The pair got engaged in 2016, following years of dating, but they’ve decided to take a step back.

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Jim Carrey and Ginger Gonzaga - The costars on the TV series 'Kidding' made their red carpet debut as a couple on January 5 for the Golden Globes. Though Carrey told Extra how "incredible, unbelievable" Gonzaga is, it was reported in October that their relationship is over. 

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Sienna Miller and Lucas Zwirner - The actress was spotted out and about in early January with the editorial editor of publishing house David Zwirner Books, and they have made their relationship very clear. 

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Heather Locklear and Chris Heisser - The actress is continuing treatment at home following a rock-bottom episode in 2018, and she's reportedly cutting out people who aren't helping her sobriety goals, which includes boyfriend Chris Heisser.

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Janet Mock and Angel B. Curiel - Writer and director of hit show 'Pose,' Janet Mock confirmed her relationship with 'Pose' actor Angel B. Curiel, in September, after having announced her divorce from Aaron Tredwell earlier this year.

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Demi Lovato and Austin Wilson - The singer and the Los Angeles-based male model announced their relationship on social media in mid-November, only to break up a month later.

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Timothée Chalamet and Lily-Rose Depp - Though they were rumored to have been dating back in November 2018, 'The King' costars Chalamet and Depp have certainly made their relationship official this year. 

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Sean Combs and Lori Harvey - P. Diddy and Steve Harvey's stepdaughter had a notable summer of love, but it fizzled out in October. Prior to Diddy, it was rumored that Lori was linked to his son, Justin Combs, who is just four years older than her.

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Hayden Panettiere and Zach Hickerson - After some tumultuous months with Brian Hickerson, ending with his arrest for domestic violence and being ordered to stay away from Panettiere, the actress was spotted in September holding hands with his brother Zach, and rumors flew though sources maintain they're just friends.

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Lena Waithe and Alana Mayo -

In November, Lena Waithe revealed she and her longtime fiancée got married secretly in the San Francisco courthouse where the very first legal same-sex wedding was officiated in 2004.

See also: Your favorite LGBT celebrity couples

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