VIDEO: Katy Perry Sings 'Firework' on Comedy Central's NIGHT OF TOO MANY STARS

Katy Perry and Jodi DiPiazza sang "Firework" at the Beacon Theater in New York as part of NIGHT OF TOO MANY STARS: America Comes Together for Autism Programs. Hosted by Jon Stewart, the program will raise money for autism programs, schools, and services all over the country. Tune-in for the world premiere on Sunday, October 21 at 8:00 p.m. ET/PT on Comedy Central and get a sneak peek at Perry's special performance below!

Performers will include Tina Fey, Seth Rogen, Amy Poehler, Stephen Colbert, Louis CK, Bill Burr, Katy Perry, Carly Rae Jepsen, Tom Morello, Sting and Sunday night's live celebrity phone bank includes Tom Hanks, Jerry Seinfeld, Julianne Moore, Seth Meyers, Jimmy Kimmel, and Al Pacino.

To help give autistic people the chance they deserve to reach their potential go to http://cc.com/donate or text STARS to 50555 to donate $10.