Katy Perry does a duet with autistic girl Katy perry Tue-23-Oct-12 11:45 Share this By Jay-Jay FeeneyKaty Perry did a duet of her song Firework with a wee girl with autism. It was for Comedy Central's "Night of Too Many Stars" benefit. A young girl with autism named Jodi DiPiazza, who loves Katy Perry played the piano and sang with her!Katy tweeted afterwards:, "I will never forget last night. It was the most important moment thus far of what I do."Watch the video below: You May Also Like Very delicious lyric video for Katy Perry's song 'Birthday' Katy Perry has dyed her hair 'slime green' Was John Mayer cheating on Katy Perry? Become a fan of The Edge on Facebook and on Twitter .