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Drew Barrymore and Corey Feldman -

According to Feldman's memoir, he and Barrymore began dating when he was 18 and she was 14. However, Feldman reveals that they went on a date in 1985 when he was 14 and Barrymore was only 10 years old!

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Liam Neeson and Helen Mirren -

They crossed paths while filming 'Excalibur' in 1981 and had a romantic relationship for a period of five years, that included living together!

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Diane Lane and Jon Bon Jovi -

During the 1980s, Jon Bon Jovi sported his signature long hair while he was involved with Diane Lane, who wasn't yet the renowned actress she has become.

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Jennifer Love Hewitt and Will Friedle -

The couple began dating in 1997 at the age of 18. This occurred right before Jennifer Love Hewitt gained fame for 'I Know What You Did Last Summer,' released in that same year.

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Jennifer Grey and Matthew Broderick -

Jennifer Grey and Matthew Broderick were in a relationship until 1987, just before her rise to fame with 'Dirty Dancing.'

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George Clooney and Kelly Preston -

George Clooney and the late Kelly Preston were in a relationship from 1987 to 1989.

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Scarlett Johansson and Jack Antonoff -

The pair both enrolled at the Professional Children’s School in New York City and even went to prom together! Their relationship lasted two years.

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Justin Timberlake and Fergie -

Justin Timberlake and Fergie began dating in 1997, prior to the release of NSYNC's debut album. Timberlake was 16 while Fergie was 23.

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Zooey Deschanel and Jason Schwartzman -

Zooey Deschanel and Jason Schwartzman began their romantic relationship at age 19 but separated in 2005.

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Michael Keaton and Courteney Cox -

The couple began dating in the late 1980s, prior to Courteney Cox's rise to fame on the TV show 'Friends.' They ended their relationship in 1995.

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Ryan Reynolds and Kristen Johnston -

Ryan Reynolds and Kristen Johnston, known for their roles in '3rd Rock from the Sun,' were in a relationship in 1999, just before Reynolds achieved his current status as a movie star.

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Matthew Morrison and Lea Michele -

Matthew Morrison and Lea Michele were in a relationship during their time in the Broadway industry, prior to joining the cast of the popular television series 'Glee.'

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Leighton Meester and Sebastian Stan -

The couple began their relationship in 2008, around the commencement of 'Gossip Girl,' and prior to Sebastian Stan's appearance in Marvel Cinematic Universe films.

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David Gallagher and Megan Fox -

In 2003, the teen heartthrob dated Megan Fox before she become a famous Hollywood bombshell.

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Minka Kelly and Donald Faison -

Minka Kelly and Donald Faison were in a relationship prior to starring in 'Scrubs' and 'Friday Night Lights.'

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Katy Perry and Travie McCoy -

Prior to achieving worldwide fame, Katy Perry began a romantic relationship with fellow musician Travie McCoy in 2006. Ultimately, they decided to stop dating in December 2008

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Jay Leno and Sharon Osbourne -

Osbourne referred to their relationship as a "flingy-wingy," which began when they met in a bar one night. Needless to say, it didn't last.

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Jessica Biel and Chris Evans -

Jessica Biel and Chris Evans had an on-and-off relationship from 2001 to 2005, during a time when their fame was not comparable to their current status.

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Sandra Bullock and Tate Donovan -

They first crossed paths while filming 'Love Potion No. 9' in 1990 and remained a couple until 1994.

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Jon Hamm and Jennifer Westfeldt -

The two were in a relationship in 1997, prior to the accomplishments of 'Kissing Jessica Stein' and 'Mad Men.'

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Busy Philipps and Colin Hanks -

Busy Phillips and Colin Hanks first crossed paths at Loyola Marymount University, where they began dating for a period of time. Their bond has endured, and they remain friends to this day.

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Matthew Morrison and Kristen Bell -

They began dating while attending New York University, long before their rise to fame on 'Veronica Mars' and 'Glee.'

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Sarah Jessica Parker and Robert Downey Jr. -

Sarah Jessica Parker and Robert Downey Jr. began their relationship in 1984, when they were both 18 years old, predating Iron Man and Carrie Bradshaw.

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Reese Witherspoon and Chris O'Donnell -

Reese Witherspoon and Chris O'Donnell were in a relationship in 1993 when she was 16.

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Alanis Morissette and Ryan Reynolds -

Ryan Reynolds had a relationship with singer Alanis Morissette for a significant period. The Canadian duo were even engaged in 2004, but later broke up in 2008.

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Juliette Lewis and Brad Pitt -

Brad Pitt has had many romantic relationships, including one with Lewis. They were in a relationship in 1989 when he was 26 years old and she was 17. However, their relationship ended in 1993.

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Ashton Kutcher and January Jones -

Ashton Kutcher and January Jones were in a relationship from 1998 to 2001, prior to their Hollywood fame.

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Mila Kunis and Macaulay Culkin -

Mila Kunis and Macaulay Culkin began dating in 2002, when Kunis was still a relative unknown and the 'Home Alone' star's popularity declined. Their relationship endured for eight years.

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Jennifer Aniston and Tate Donovan -

Jennifer Aniston and Tate Donovan crossed paths in 1995 and were together for a while. Their relationship ended just before Donovan appeared on 'Friends' as a love interest for Aniston's character.

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Keira Knightley and Jamie Dornan -

Keira Knightley and Jamie Dornan were in a relationship in 2003, before Knightley achieved her current fame and prior to Dornan's role in 'Fifty Shades of Grey.'

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Ryan Gosling and Sandra Bullock -

Sandra Bullock's fame preceded her relationship with Ryan Gosling in 2002.

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Jennifer Garner and Scott Foley -

The couple acted together in the television show 'Felicity' in 1998 and began a romantic relationship. They tied the knot in 2000 but divorced after three years.

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Lisa Kudrow and Conan O'Brien -

Lisa Kudrow and Conan O'Brien met during an improv comedy class and had a short relationship before achieving great fame.

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Kim Kardashian and Nick Cannon -

The couple were together from 2006 to 2007, right before the success of 'Keeping Up with the Kardashians.'

Source: (Marie Claire)

See also: Celebrity couples who split while pregnant

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