Running into an ex is never fun. For celebrities in the entertainment industry those run-ins are almost inevitable. From exes getting stuck in an elevator together, to attending the same party, fans have been able to witness these never fun moments between two famous exes. For celebrities like Taylor Swift, moments like these are unavoidable and sometimes the best thing to do is seize the opportunity.

Do you remember the super awkward moment at the 2013 Video Music Awards when Taylor addressed her ex Harry Styles in front of the whole world and the camera panned straight to the One Direction boys' flawless reactions?!

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Louis Tomlinson's reaction was all of us:

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Moments like these are absolutely brilliant and so cringe-worthy but the 1989 singer is not the only one who has dealt with this, and some have had brilliant reactions that were caught on camera!

Click through the gallery to see other celebrities who have ran into their exes! Tell us which one made you cringe in the comments!