Valentine's Day lands in theaters this Friday. But before you run off to see the star-studded cast on screen, check them out on the red carpet at the LA premiere. Julia Roberts, Bradley Cooper, Anne Hathaway, and Jennifer Garner in Valentino are just some of the big names who attended. As for the fashionistas, Jessica Alba in Proenza Schouler, Jessica Biel in Oscar de la Renta, and Garcelle Beauvais Nilon in Versace were among the best dressed. Enter to see more fashion highlights.