F1 Grand Prix of Singapore

during the Singapore Formula One Grand Prix at the Marina Bay Street Circuit on September 23, 2012 in Singapore, Singapore.

Katy Perry Live At Formula 1 Singapore

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

Katy Perry Live At Formula 1 Singapore

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

Katy Perry Live At Formula 1 Singapore

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

Katy Perry Live At Formula 1 Singapore

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

Katy Perry Live At Formula 1 Singapore

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

Katy Perry Live At Formula 1 Singapore

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

Katy Perry Live At Formula 1 Singapore

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

Katy Perry Live At Formula 1 Singapore

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

Katy Perry Live At Formula 1 Singapore

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

Katy Perry Live At Formula 1 Singapore

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

JAPAN-US-ENTERTAINMENT-FILM-MUSIC

US singer and actress Katy Perry gestures to Japanese fans upon her arrival at the Japanese premiere of her movie "Katy Perry: Part of Me 3D" at a Tokyo theatre on September 25, 2012. Perry is now here to promote the film. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/GettyImages)

JAPAN-US-ENTERTAINMENT-FILM-MUSIC

US singer and actress Katy Perry gestures to Japanese fans upon her arrival at the Japanese premiere of her movie "Katy Perry: Part of Me 3D" at a Tokyo theatre on September 25, 2012. Perry is now here to promote the film. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/GettyImages)

JAPAN-US-ENTERTAINMENT-FILM-MUSIC

US singer and actress Katy Perry reacts to Japanese fans upon her arrival at the Japanese premiere of her movie "Katy Perry: Part of Me 3D" at a Tokyo theatre on September 25, 2012. Perry is now here to promote the film. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/GettyImages)

JAPAN-US-ENTERTAINMENT-FILM-MUSIC

US singer and actress Katy Perry smiles upon her arrival at the Japanese premiere of her movie "Katy Perry: Part of Me 3D" at a Tokyo theatre on September 25, 2012. Perry is now here to promote the film. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/GettyImages)

JAPAN-US-ENTERTAINMENT-FILM-MUSIC

US singer and actress Katy Perry (C) reacts as she meets Japanese fans upon her arrival at the Japanese premiere of her movie "Katy Perry: Part of Me 3D" at a Tokyo theatre on September 25, 2012. Perry is now here to promote the film. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/GettyImages)

JAPAN-US-ENTERTAINMENT-FILM-MUSIC

US singer and actress Katy Perry (L) poses for a photo with a Japanese fan upon her arrival at the Japanese premiere of her movie "Katy Perry: Part of Me 3D" at a Tokyo theatre on September 25, 2012. Perry is now here to promote the film. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/GettyImages)

JAPAN-US-ENTERTAINMENT-FILM-MUSIC

US singer and actress Katy Perry (L) has her picture taken with a Japanese fan upon her arrival at the Japanese premiere of her movie "Katy Perry: Part of Me 3D" at a Tokyo theatre on September 25, 2012. Perry is now here to promote the film. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/GettyImages)

JAPAN-US-ENTERTAINMENT-FILM-MUSIC

US singer and actress Katy Perry gestures to Japanese fans upon her arrival at the Japanese premiere of her movie "Katy Perry: Part of Me 3D" at a Tokyo theatre on September 25, 2012. Perry is now here to promote the film. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/GettyImages)

JAPAN-US-ENTERTAINMENT-FILM-MUSIC

US singer and actress Katy Perry (R) gives out autographs to Japanese fans upon her arrival at the Japanese premiere of her movie "Katy Perry: Part of Me 3D" at a Tokyo theatre on September 25, 2012. Perry is now here to promote the film. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/GettyImages)

JAPAN-US-ENTERTAINMENT-FILM-MUSIC

US singer and actress Katy Perry hugs a Japanese fan upon her arrival at the Japanese premiere of her movie "Katy Perry: Part of Me 3D" at a Tokyo theatre on September 25, 2012. Perry is now here to promote the film. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/GettyImages)

JAPAN-US-ENTERTAINMENT-FILM-MUSIC

US singer and actress Katy Perry (R) gives out autographs to Japanese fans upon her arrival at the Japanese premiere of her movie "Katy Perry: Part of Me 3D" at a Tokyo theatre on September 25, 2012. Perry is now here to promote the film. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/GettyImages)