Viral Video: Chris Klein Auditions for Mamma Mia Dan Koelsch, May 19, 2010 There’s a video that has been on the Internet for only a day and is already spreading like wildfire. In what looks to be real leaked footage, actor Chris Klein (American Pie) auditions for a role in the 2008 musical Mamma Mia, which stars Amanda Seyfried and Meryl Streep. Usually…