[credit]Mark Von Holden/Getty Images[/credit]

A bunch of our fave celebs hung out at Pop-Tart’s artist lounge at this weekend’s Z100 Jingle Ball and we’ve got the pics to prove it! One Direction, Taylor Swift and more mixed and mingled at the event, snacking on Pop-Tarts and chatting with Z100’s DJ JJ. Check out the pic of Tay looking classy and gorgeous as usual:

[credit]Craig Barritt/Getty Images[/credit]

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