Avril Lavigne has apologized for spitting and swearing at photographers as she left her birthday party in LA on Tuesday (read story here). "I'd like to sincerely apologize for my behavior with the paparazzi," Lavigne said. "It's trying at best to deal with their insistent intrusions. I meant no offense to my fans, whose relationship I truly value. I have and will always to out of my way for my fans. My behavior was a reaction to the persistent attack from the paparazzi."