The first thing that might come to mind when you think of Katy Perry is her outrageous wigs and outfits, from music videos like “California Gurls” to the MTV VMAs. But other celebrities usually match her for outlandish dresses and inexplicable accessories: Nicki Minaj, Lady Gaga, Jessie J.
But there’s one way Katy outshines these other performers: She’s one of the most prolific Twitpic posters. Whole news stories have grown up around photos taken by or of her; it’s part of the reason she has such a big fanbase. So in celebration of Katy’s 27th birthday, we’ve compiled her best shots.