Avril Lavigne's Wet Birthday Party

Avril Lavigne's Wet Birthday PartyAvril Lavigne turned 26 on Monday, September 27, but she officially got the party started a few days later. Celebrating the special day, the "I'm With You" hitmaker held a pool party at the MGM Grand Hotel/Casino's Wet Republic pool in Las Vegas on Saturday, October 2.In newly-revealed pictures, Avril refused to strip to her swimsuit unlike most of her guests.