Katty Perry's furry pet photo trends on twitter

A photo of Katty Perry's furry pet, Kitty Purry (say that five times fast) was re-tweeted so many times this week that the tabby's name became a trending topic on Twitter. And although she may be the first celeb to name her little buddy so brazenly after herself, Katy's just one of a whack of famous artists with great pet names.