Justin Bieber Is The Biggest Selling Artist of 2010

Album sales are down 13% so far this year, but for a select few, there's gold at the end of the tunnel.The Recording Industry Association of America just released its latest list of album and single certifications. Justin Bieber tops the sales heap, moving more than 2 million copies of My World, good for a double-platinum plaque. Also passing the platinum mark: the Glee Volume 1