Photos: Stars flock to Sundance Film Festival
2013 Sundance Film Festival - Premiere of Don Jons Addiction
Cast member Julianne Moore, right, embraces director, writer and fellow cast member Joseph Gordon-Levitt, at the premiere of "Don Jon's Addiction" during the 2013 Sundance Film Festival on Friday, Jan. 18, 2013 in Park City, Utah. (Photo by Danny Moloshok/Invision/AP)