Stars Deck the Halls Backstage at the Jingle Ball

Smile and say "Santa!" From Miley Cyrus to Jason Derulo, see who stopped by PEOPLE's exclusive photo booth at KIIS FM's Jingle Ball 2013

JASON DERULO

He ended up shirtless in his steamy performance at the Jingle Ball, but the soulful singer stays fully clothed – and stylish! – as he flirts with PEOPLE's cameras.