The fall 2012 campaign season has been a star-studded one! Blake Lively, Kristen Stewart, and Mila Kunis have all lent their famous faces to their favorite fashion and beauty brands. Heidi Klum is the latest, striking a pose in candy apple denim for her return to Jordache. (The supermodel posed in 2007 when the denim makers decided to freshen their look, and is here again to promote their launch at Wal-Mart stores.) Wonder who else was tapped for next season's ads? Click through to see all of our favorite celeb-fronted fall campaigns.