2012 MTV Video Music Awards - Show

Onstage during the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California.

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Singer Katy Perry arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

Katy Perry Live At Formula 1 Singapore

Katy Perry performs during 2012 F1 Singapore on September 23, 2012 in Singapore.

Comedy Central's Night Of Too Many Stars: America Comes Together For Autism Programs - Arrivals

Attends Comedy Central's night of too many stars: America comes together for autism programs at The Beacon Theatre on October 13, 2012 in New York City.

Miu Miu: Arrivals - Paris Fashion Week Womenswear Fall/Winter 2012

The Miu Miu Ready-To-Wear Fall/Winter 2012 show as part of Paris Fashion Week on at Grand Palais on March 7, 2012 in Paris, France.

Echo Award 2012 - Red Carpet Arrivals

Arrives for the Echo Awards 2012 at Palais am Funkturm on March 22, 2012 in Berlin, Germany.

Nickelodeon's 25th Annual Kids' Choice Awards - Red Carpet

Arrives at Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California.

Nickelodeon's 25th Annual Kids' Choice Awards - Red Carpet

Arrives at Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California.

NARM Music Biz Awards Dinner Party - Arrivals

At the Hyatt Regency Century Plaza on May 10, 2012 in Century City, California.

2012 MuchMusic Video Awards - Arrivals

TORONTO, ON - JUNE 17: Singer Katy Perry arrives at the 2012 MuchMusic Video Awards at the MuchMusic HQ on June 17, 2012 in Toronto, Canada. (Photo by Jag Gundu/Getty Images)

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

Arrives at the premiere of Paramount Insurge's "Katy Perry: Part Of Me" held at Grauman's Chinese Theatre on June 26, 2012 in Hollywood, California.

Premiere Of Paramount Insurge's "Katy Perry: Part Of Me" - Red Carpet

Arrives at the premiere of Paramount Insurge's "Katy Perry: Part Of Me" held at Grauman's Chinese Theatre on June 26, 2012 in Hollywood, California.

Premiere Of Paramount Insurge's "Katy Perry: Part Of Me" - Red Carpet

Arrives at the premiere of Paramount Insurge's "Katy Perry: Part Of Me" held at Grauman's Chinese Theatre on June 26, 2012 in Hollywood, California.

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

Performs onstage during the premiere of Paramount Insurge's "Katy Perry: Part Of Me" held at Grauman's Chinese Theatre on June 26, 2012 in Hollywood, California.

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

Performs onstage during the premiere of Paramount Insurge's "Katy Perry: Part Of Me" held at Grauman's Chinese Theatre on June 26, 2012 in Hollywood, California.

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

Singer Katy Perry arrives at the premiere of Paramount Insurge's "Katy Perry: Part Of Me" at Grauman's Chinese Theatre on June 26, 2012 in Hollywood, California.

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

June 26, 2012 in Hollywood, California.

"Katy Perry: Part Of Me" Australian Premiere

Arrives at the "Katy Perry: Part Of Me" Australian Premiere on June 30, 2012 in Sydney, Australia.

Katy Perry: Part Of Me 3D - European Premiere

Attends the European Premiere of 'Katy Perry Part Of Me' at Empire Leicester Square on July 3, 2012 in London, England.

Katy Perry: Part Of Me 3D - European Premiere

Attends the European Premiere of 'Katy Perry Part Of Me' at Empire Leicester Square on July 3, 2012 in London, England.

Katy Perry: Part Of Me 3D - European Premiere

Attends the European Premiere of 'Katy Perry Part Of Me' at Empire Leicester Square on July 3, 2012 in London, England.

Katy Perry: Part Of Me 3D - European Premiere

LONDON, ENGLAND - JULY 03: Katy Perry attends the European Premiere of 'Katy Perry Part Of Me' at Empire Leicester Square on July 3, 2012 in London, England. (Photo by Ian Gavan/Getty Images)

Katy Perry: Part Of Me 3D - European Premiere

LONDON, ENGLAND - JULY 03: Katy Perry attends the European Premiere of 'Katy Perry Part Of Me' at Empire Leicester Square on July 3, 2012 in London, England. (Photo by Ian Gavan/Getty Images)

Katy Perry: Part Of Me 3D - European Premiere

LONDON, ENGLAND - JULY 03: Katy Perry attends the European Premiere of 'Katy Perry Part Of Me' at Empire Leicester Square on July 3, 2012 in London, England. (Photo by Ian Gavan/Getty Images)

Katy Perry: Part Of Me 3D - European Premiere

LONDON, ENGLAND - JULY 03: Katy Perry attends the European Premiere of 'Katy Perry Part Of Me' at Empire Leicester Square on July 3, 2012 in London, England. (Photo by Ian Gavan/Getty Images)

2012 MTV Video Music Awards - Red Carpet

Arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California.