Susan Matheson is a costume designer who designed costumes for the films The Kingdom, Friday Night Lights, Blue Crush, Crazy/Beautiful, Honey, Panic and Best Laid Plans. She has designed three movies starring Will Ferrell - Step Brothers, Semi-Pro, and Talladega Nights: The Ballad of Ricky Bobby. She designed the film Couples Retreat starring Vince Vaughn and Jon Favreau which was premiered in the fall of 2009.