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On a recent episode of Watch What Happens Live, hard-hitting journalist Andy Cohen grilled Christina Applegate as to why she, gasp, dumped Brad Pitt. Naturally that got us thinking of all the other star romances we've completely forgotten--or hell, didn’t even know--about.


Ryan Gosling and Sandra Bullock

In 2002, the two co-starred in Murder by Numbers and were a subsequent item for a year.


Ryan Reynolds and Alanis Morissette

Before he was Mrs. Lively (or Mrs. Johansson for that matter), the actor was engaged to this fellow Canadian.


Cameron Diaz and Justin Timberlake

Long-term couple alert: This was official from ’03 to ’07.


Jessica Biel and Chris Evans

Similarly, Timberlake's now wife was with Captain America from ’01 to ’06.


Ben Affleck and Gwyneth Paltrow

Before her conscious uncoupling from Chris Martin and Affleck's impending divorce from Jennifer Garner, the two were a match made in ’90s heaven.


Winona Ryder and Matt Damon

Related: Paltrow introduced these two at a New Year’s Eve party in ’97 (which resulted in a three-year stint).


Robert Downey Jr. and Sarah Jessica Parker

They were the couple for seven solid years.


Michael Jackson and Brooke Shields

Shields recently opened up about this rather innocent teenage relationship in her memoir, There Was a Little Girl: The Real Story of My Mother and Me.


Sheryl Crow and Owen Wilson

Though this laid-back duo split ways in ’01, the singer has said they still remain friends.


Bradley Cooper and Renee Zellweger

Prior to Bridget Jones virtually disappearing from sight, she was involved with this Oscar darling from ’09 to ’11. (Well, Hangover darling at the time.)


Ashton Kutcher and January Jones

Way before her Mad Men infamy, these two dated for three years, ending it in ’01.


Macaulay Culkin and Mila Kunis

Around the same time, Kutcher's current lady spent nine years fending off Home Alone fanatics.


Taylor Swift and Taylor Lautner

The year was 2009. It lasted only a few months. But it did end up yielding the song “Back to December.”


Billy Bob Thornton and Laura Dern

Dern left her live-in boyfriend to work on a film, and while she was away, he got married. To Angelina Jolie.


Johnny Depp and Ellen Barkin

It was the early ’90s. That is all.

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