Z100's annual Jingle Ball took place in NYC on Friday night and Timbaland, Alicia Keys and Pete Wentz were just a few who took the stage to raise money for Autism Speaks. An adorable Chace Crawford and stylish Hayden Panettiere were also on hand, but all eyes were on Ashley Tisdale when she performed. This was the HS Musical star's first public appearance since her nose job a few weeks ago. What are you thinking about Ashley's new nose?
Lots more images including AI alum Jordin Sparks who performed songs off her new album, Avril Lavigne, The Jonas Brothers, The Backstreet Boys and more so read more
Images include Pete Wentz, The Jonas Brothers, Timbaland, Hayden Panettiere, Chace Crawford, Backstreet Boys, Alicia Keys, Joumana Kidd, Jordin Sparks, Ashley Tisdale, Avril Lavigne, Colbie Caillat