Quick: who's the celebrity you would most want to be best friends with? Just a guess, but unless you're a 21-year old gay man or a 12-year old girl, you probably didn't say Katy Perry. However, that might be your loss, based on these photos of the rollicking Wild West Ho Down Throwdown that Katy and her future babydaddy Russell Brand threw last Friday to celebrate her 27th birthday. Actually, I might even have to change my own answer to that "best friends" question. Sorry, Joan Didion! More»

I've always been sort of ambivalent towards Katy Perry, but that was before she threw the most amazing 25th Birthday party in the history of birthday parties. The singer instructed all her guests to wear white to her Willy Wonka themed party (most complied; Perez Hilton unexplicably and annoyingly dressed up like Mother Theresa). Then, they had a huge paint throwing party, completely covering  themselves in neon-paint. More»