Cameron Diaz in J Brand Skinny Jeans

Cameron Diaz, alongside co-star James Marsden and writer/director Richard Kelly, attended the Comic-Con to plug her upcoming psychological thriller 'The Box.' Ms. Diaz wore her J Brand Skinny Ankle Jeans for the event. And Cameron explains about a surprise "engagement" at Comic-Con: "I'm very excited because I'm getting married. I've accepted a marriage proposal from one of the fans," Cameron joked with Thea Andrews from ET.