Being a parent is hard. But when you’re a parent to a child who doesn’t share the same blood as you, things only get more complicated. You may not have full authority in their eyes, and they may not click with you, plus there can be added obstacles with their biological parents. Yet still, blended families are becoming a lot more common.

It’s not all trial and tribulation, however, and many stepparents lovingly view their stepchildren as "bonus kids.” Celebrities have it especially hard because their family has to try to blend under the careful watch of the public, but there have been many who wear the title with pride. Click through to see which stars have become stepparents.

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Gabrielle Union - The actress and Dwyane Wade have a child together, but the NBA star already had three children from a previous relationship (and a nephew he's raising) who Union has been stepmother to.

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Caitlyn Jenner - Stepparent to the most famous family on TV, Jenner's relationship with the Kardashians continues to evolve and change.

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Jada Pinkett Smith - The star is a loving stepmom to Trey, Will Smith's son with his first wife, Sheree Fletcher. Although the parenting guru has revealed she and Fletcher haven't always had the best relationship, she always loved Trey like her own.

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Matt Damon - The actor spoke to Parade about being stepfather to wife Luciana Barroso's daughter, describing the process as similar to the way the Grinch's heart grows five times its size.

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Barbra Streisand - When she married James Brolin, Streisand became a stepmom to three kids from his previous relationships, including the famous Josh Brolin.

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Daniel Craig and Rachel Weisz - The actors welcomed a baby girl together, but they were both already parents to kids from previous relationships. Weisz had one son who she shares with her ex Darren Aronofsky, and Craig has a daughter with his ex Fiona Loudon.

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Eniko Hart - Eniko and Kevin Hart have a son together, but Eniko is also a proud bonus mom to the comedian's two kids from a previous relationship.

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Gisele Bündchen - The supermodel became stepmother to Tom Brady's son from his previous relationship, and they later had two kids of their own.

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Russell Wilson - The NFL star became a proud stepfather to Ciara's son from her previous relationship with rapper Future, and the couple also welcomed children of their own.

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Catherine Zeta-Jones - When Catherine Zeta-Jones married Michael Douglas, she became a stepmom to his son, Cameron. They later had two kids of their own.

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Paul Bettany - Paul Bettany became a stepfather to Jennifer Connelly's son from a previous relationship, and the actors later had two kids together.

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Kelly Clarkson - The singer became a stepmom to two when she married Brandon Blackstock, and the former couple also has two kids of their own.

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Kurt Russell and Goldie Hawn - Kate Hudson has described her stepfather Russell as her only father. Hawn also become stepmother to Russell's son, and the couple had an additional son together.

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Olivier Martinez - The French film actor was married to Halle Berry from 2013-2016, during which time he was stepfather to her daughter with previous partner Gabriel Aubry. The two also had a child of their own.

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LeAnn Rimes - LeAnn Rimes had somewhat of a rocky start when she and husband Eddie Cibrian got together, as Cibrian's ex criticized her relationship with her sons. Fortunately, things improved.

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Alicia Keys - Alicia Keys and her husband, Swizz Beats, have two boys, but the singer was initially stepmom to three.

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Anna Paquin - The actress became stepmom to two kids from her husband Stephen Moyer's previous relationship, and later added twins to the mix.

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Salma Hayek - In 2009, Salma married François-Henri Pinault, who has three children from previous relationships. The two also share a daughter of their own.

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Eva Longoria - Eva Longoria became stepmom to José Baston's three children, which was good preparation to welcome her own son.

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Jason Momoa - The actor became a stepdad to Zoë Kravitz when he married her mom, Lisa Bonet. Momoa and Bonet share two biological kids of their own.

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Khloé Kardashian -

Their whirlwind marriage made this Kardashian a stepmom to two, and though the relationship didn’t last, they did have a short run at a spin-off series.

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Ashton Kutcher - Kutcher married Demi Moore at 27, becoming stepdad to Scout, Tallulah, and Rumer from Moore's previous marriage to Bruce Willis. Now Kutcher has two sons with Mila Kunis.

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Katie Holmes - Tom Cruise had adopted two kids in the ‘90s with then-wife Nicole Kidman, of which Holmes became a stepmom. They eventually had a child of their own, before calling it quits.

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Keith Urban - The country singer also became a stepdad to two when he married Nicole Kidman, and the pair had two more kids later.

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Jane Lynch - The actress became stepmother to Dr. Lara Embry's two daughters when they married in 2010, though they're now divorced.

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Jennifer Lopez and Alex Rodriguez - Jennifer Lopez and Alex Rodriguez were together for years, and although they didn't marry, they showed plenty of love to each other's kids. A-Rod has two daughters, and J-Lo has a twin boy and girl.

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Megan Fox - The actress was a stepmom to Kassius, the son of her ex Brian Austin Green, before welcoming three of her own.

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Amber Heard - Married to Johnny Depp from 2015 to 2017, the actress became stepmother to Lily-Rose Depp and John Christopher Depp III.

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Jim Toth -

When the Hollywood agent married Reese Witherspoon, he became stepfather to her children with first husband Ryan Phillippe.

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