Capital FM'S Jingle Bell Ball happened in London over the weekend - and the red carpet and stage were jam-packed with celebrities in town for the festive concert.
On Saturday, Take That, One Republic, Olly Murs and Ella Henderson all performed at the ball, which has been held every year since 2008.
On Sunday, Taylor Swift, Sam Smith, Jessie J and Ed Sheeran joined Union J, Rixton and Fuse ODG on the stage.
5 Seconds of Summer had a bit of drama when guitarist Michael Clifford misplaced his passport and was stranded in the US - but the band soldiered on and performed as a three-piece.
GLAMOUR cover girl Jessie J looked super elegant on the red carpet - but when she took to the stage she treated the crowds to this stomping performance:
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Unsurprisingly, Sam Smith was incredible, showing off his show-stopping vocals after hitting the red carpet.
Sam also got all nostalgic about being at the Jingle Bell Ball last year with Disclosure, saying how important it felt for him to be here as a solo star this year. Congrats, Sam.
Taylor Swift closed the show with two costume changes and a smashing set that sent the crowd wild.
After walking the red carpet in a pretty knitted frock, she changed into this cute sequinned co-ord:
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Here's how she closed the show:
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