05/11/2010 08:27 am ET Updated May 25, 2011

Avril Lavigne & Lindsay Lohan In Public Fight

It's America vs. Canada in a young celebrity showdown, as word of a bitter battle between Lindsay Lohan and Avril Lavigne is spreading throughout the entertainment world. As rumor has it, Lindsay had a blowout with the Canadian rocker-actress at the infamous Chateau Marmont in Hollywood -- a hotspot for ridiculous celebrity shenanigans. Apparently the U.S. vs. Canada rivalry began when Lavigne blasted Lohan for being "fake" and "a loser" when the 'Mean Girls' star tried to approach her table.

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