A match made in Canada! This weekend mall-punk singer Avril Lavigne tied the knot with Deryck Whibley of Sum 41. The bride wore Vera Wang and Chuck Taylors. (Not true.) People says the couple's first dance was ... wait for it ... Goo Goo Dolls' "Iris." Avril plays a possum in the movie Over The Hedge and a strung-out hottie ...