Kate Bosworth & Radha Mitchell: 'Big Sur' Sundance Portrait Session!

Kate Bosworth keeps it dressy while attending a portrait session for her upcoming film Big Sur at the 2013 Sundance Film Festival on Tuesday (January 22) in Park City, Utah.

The 30-year-old actress was accompanied by her co-stars John Robinson, Jean-Marc Barr, and Radha Mitchell.

PHOTOS: Check out the latest pics of Kate Bosworth

The day before, Kate and her fiance Michael Polish were spotted departing LAX Airport for Salt Lake City.

Big Sur is scheduled to premiere tonight. We’re so excited!

20+ pictures inside of Kate Bosworth and Radha Mitchell attending a portrait session…