March 16, 2009 11:10 PM HewmanBeing.com Sasha Grey, the 2008 AVN Female Performer of the Year and star of Vivid's "Throat," celebrated her 21st birthday on March 14 at Tao at the Venetian in Las Vegas. Then on March 15 she was spotted at Lavo at The Palazzo. Related Content Profiles Media Sasha Grey Sasha Fever at...