On Saturday, rumors about Avril Lavigne and Chad Kroeger tying the knot were blowing up on Twitter, but now it's officially official. The two rockers got hitched on Monday. Avril and Chad chose July 1st, Canada Day as their wedding day, in honor of their homeland. But the couple celebrated the nuptials at a chateau in the South of France. As for the party, it was a blowout. An insider says, It was a wild, all-night party with drinking, dancing, incredible food and lots of laughter and tears of happiness.