Hayley Williams: Z100 Jingle Ball 2010 with B.o.B!

Hayley Williams performs at the Z100 Jingle Ball 2010 on Friday (December 10) at Madison Square Garden in New York City.

The 21-year-old Paramore rocker performed with her band and duetted with B.o.B. on their hit song, “Airplanes”!

Earlier in the day, Hayley and her bandmates dropped by the H&M Artist Gift Lounge and chatted with hit NYC radio station Z100 before hitting the stage.

10+ pictures inside of Hayley Williams at the Z100 Jingle Ball…