Autistic Girl Sings With Katy Perry.

Oct. 19 2012, Published 3:31 p.m. ET
Autistic Girl Sings With Katy Perry.
1. Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."

Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."
2. Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."

Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."
3. Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."

Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."
4. Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."

Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."
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5. Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."

Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."
6. Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."

Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."
7. Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."

Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."
8. Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."

Katy Perry and Jodi DiPiazza sing "Firework" at the Beacon Theater in New York at the "Night of Too Many Stars: America Comes Together for Autism Programs."