Which Two Celebrities Who Used To Date Completely And Utterly Shocked You?

TBT to Zoë Kravitz and Penn Badgley...

There are some INFAMOUS former Hollywood couples out there that we still talk about like they're still together.

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Like Brad Pitt and Jennifer Aniston...

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...or Ryan Phillippe and Reese Witherspoon.

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But what about the A-listers who used to date that we COMPLETELY forgot about?

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Like Leonardo DiCaprio and Blake Lively...

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They spent the summer of 2011 traipsing around France.

...or Blake Lively and Penn Badgley...

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The pair dated from 2007 to 2010.

...or Penn Badgley and Zoë Kravitz!

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The pair dated from 2011 to 2013.

There are so many out there! Tell us which former celeb couple you totally forgot about in the comments below and you could be featured in a BuzzFeed Community post or video.