katy perry

Entertainment

Simon Cowell Slams Beyonce And Lady Gaga For X Factor Ratings

Entertainment

Rihanna & Katy Perry Heat Up The Stage In Brazil For Rock In Rio

Entertainment

Why Rihanna Can Wear A C*nt Necklace

Entertainment

Does This Mean Katy Perry Is Better Than Lady Gaga And Rihanna?

Entertainment

Katy Perry Breaks Out Of Pop Pact With Fifth No. 1 Single

Entertainment

Rihanna: 'There's a pack. It's me, Gaga, Katy Perry, Beyonce'

Entertainment

Amy Winehouse Death Hits Close To Home For Katy Perry

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Russell Brand Mourns Amy Winehouse Genius In Open Letter

Entertainment

Katy Perry Dominates MTV VMA's With 9 Nominations

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Jennifer Lopez Admires But Won't Copy Lady Gaga's Style

Entertainment

Katy Perry Sexes Up Rolling Stone Cover