Katy Perry: Capital FM Jingle Bell Ball 2013!

Katy Perry rocks leopard print while arriving at the Capital FM Jingle Bell Ball 2013 held at the O2 Arena on Saturday (December 7) in London, Calif. “@SaraBareilles congrats lady! Who woulda thought hotel cafe would produce 2 little Grammy nomers. #albumoftheyear,” the 29-year-old singer tweeted about her gal pal Sara Bareilles, who earned