BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Getty Images/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Getty Images/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Getty Images/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Getty Images/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Getty Images/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Getty Images/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

BBC Radio 1's Teen Awards - Show

LONDON, ENGLAND - NOVEMBER 14: (UK TABLOID NEWSPAPERS OUT) Katy Perry performs at BBC Radio 1's Teen Awards 2010 held at Hammersmith Apollo, on November 14, 2010 in London, England. (Photo by Dave Hogan/Getty Images)