Katy Perry launches her fragrance 'Purr' in London
U.S. singer Katy Perry poses with fans during the launch of her fragrance 'Purr' at Selfridges department store on Oxford Street in London November 12, 2010. [Photo/Agencies] More Photos: Celebs at 2010 Victoria's Secret Fashion Show in NY Katy Perry performs during the Victoria's Secret Fashion Show |