One Direction were the newest and arguably the most highly anticipated artists to take the stage at Z100's Jingle Ball 2012. The boys didn't disappoint!

The band opened the show with a bang. The British heartthrobs performed their biggest hits so far, including 'What Makes You Beautiful,' 'One Thing' and 'Little Things' to amp everyone's energy for the rest of the stellar lineup, which included some of their BFFs -- as well as their arch rivals, the Wanted.

We were a little bummed that Ed Sheeran didn't join them for 'Little Things,' since he penned it and occasionally covers it live! However, they did perform their now-signature ballad with a twist: They didn't sit down for it.

If anyone was hoping for a Taylor Swift appearance onstage with her new boo, Harry Styles, you'll be sorely disappointed. The 'Red' singer stayed offstage during 1D's set, letting Hazza have his moment. And have his moment he did -- you can hear the shrieks get louder and louder when he takes off his blazer!

Watch One Direction Perform 'Little Things' at Z100 Jingle Ball 2012

Watch One Direction Perform 'One Thing' at Z100 Jingle Ball 2012

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