Katheryn Elizabeth Hudson (born October 25, 1984), known professionally as Katy Perry, is an American pop singer. She admitted that her record label wanted her to copy Avril Lavigne during Avril's early years of success, but she refused, choosing to stick to her own style, rather than write a duplicate of "Complicated". She appears to be good friends with Avril, having been rumored to have attended the suprise birthday party for Avril's soon-to-be-ex-husband, Deryck Whibley. It has also been reported that Katy invited Avril to a party of her own, but Avril declined.