Reese Witherspoon rocks a pair of short shorts on the set of her new film "Mud", filming on location in Arkansas. Reese looked in good spirits despite sporting what looked like two black eyes. Witherspoon will be joining the cast with Matthew McConaughey and Tye Sheridan in this film about two 14-year-old boys who encounter a mysterious fugitive hide out on an island in the Mississippi river. October 02, 2011.