Hollywood Premiere Of Paramount Insurge's "Katy Perry: Part Of Me"

Photo by Jason Merritt/Getty Images

Katy carries a diamond-encrusted cake purse on the red carpet

Photo by Kevin Winter/Getty Images

Katy poses with singer Carly Rae Jepson

Photo by Kevin Winter/Getty Images

"Part of Me" Directors Dan Cutforth and Jane Lipsitz with Katy on the red carpet

Photo by Kevin Winter/Getty Images

Katy Perry arrives at the premiere with her grandmother

Photo by Michael Buckner/Getty Images

Singer Katy Perry performs on Hollywood Boulevard

Photo by ROBYN BECK/AFP/GettyImages

Singer Katy Perry performs on Hollywood Boulevard

Photo by ROBYN BECK/AFP/GettyImages

Singer Katy Perry performs on Hollywood Boulevard

Photo by ROBYN BECK/AFP/GettyImages

Singer Katy Perry performs on Hollywood Boulevard before the premiere of her film "Katy Perry: Part of Me"

Photo by ROBYN BECK/AFP/GettyImages

"Katy Perry: Part Of Me 3D" premieres in Europe

Photo by Ian Gavan/Getty Images

"Katy Perry: Part Of Me 3D" premieres in Europe

Photo by Ian Gavan/Getty Images

"Katy Perry: Part Of Me" premieres in Australia

Photo by Brendon Thorne/Getty Images

"Katy Perry: Part Of Me" premieres in Australia

Photo by Brendon Thorne/Getty Images

Katy Perry performs at the Pepsi/Billboard Summer Beats special live performance for "Katy Perry: Part Of Me" at Grauman's Chinese Theatre

Photo by Kevin Winter/Getty Images