Sundance heats up with a slew of sex-themed films - Article Photos 1/2

Joseph Gordon-Levitt, left, and Tony Danza from the film "Don Jon's Addiction," pose for a portrait during the 2013 Sundance Film Festival at the Fender Music Lodge, on Saturday, Jan. 19, 2013 in Park City, Utah. (Photo by Victoria Will/Invision/AP Images)