Julianne Moore attends Don Jon's Addiction Premiere during the 2013 Sundance Film Festival at Eccles Center Theatre in Park City Jan. 18, 2013

Paris Hilton at Salt Lake City, for Sundance Film Festival on January 18, 2013

Jessica Biel The Next Generation Filmmaker Dinner Series, Park City (Jan. 18)

Celebs at Fashion Week Berlin 2013

Maggie Q leaving the Sirius XM radio building in Manhattan 18 January 2013