Britney’s Birthday Cake, Bieber’s High Notes, And More Jingle Ball Highlights

See all the best moments from the star-studded L.A. bash

Daya Makes A Savvy Bid For EDM Stardom

The pop star carves out her own path for success on 'Sit Still, Look Pretty'

Shawn Mendes Stuns With An Acoustic Cover Of The Chainsmokers’ ‘Don’t Let Me Down’

Shawn Mendes acoustically covered The Chainsmokers' "Don't Let Me Down."

5 Seconds of Summer, Alessia Cara And More Reveal Their Worst Christmas Gifts

Celebs tell us what their worst Christmas present was!