Katy Perry singing ‘Firework’ with an autistic girl, Incredible!!!

Katy Perry and Jodi DiPiazza sang "Firework" at the Beacon Theater in New York on Oct 13. "Night of Too Many Stars: America Comes Together for Autism Programs" is hosted by Jon Stewart and raises money with NYCA (New York Collaborates for Autism) to support and create autism programs, schools, and services all over the country.