Beautiful Avril Lavigne rocks the stadium during a surprise performance at the Closing Ceremony of the Vancouver 2010 Winter Olympics on Sunday, February 28.

The 25-year-old Avril performed her hits “My Happy Ending” and “Girlfriend” at the ceremony, which also included remarks and performances by Neil Young, Catherine O’Hara, Michael J. Fox and Michael Buble! Late last week, Avril was spotted leaving the Alice in Wonderland premiere with ex boyfriend Deryck Whibley. Avril was wearing a Tom Binns for Disney Couture Red Queen Bracelet and a pair of black high heel shoes!