Pictures of Blake Lively With Ryan Reynolds, Ben Affleck, Penn Badgley, Chace Crawford & More

Blake Lively turned 25 yesterday! During her time in Hollywood, Blake's made a name for herself on the small screen, in film, and around the fashion world. She's had hot co-stars, like Ben Affleck and her Gossip Girl guys, and even Chanel's Karl Lagerfeld loves her. Blake's been known to strike a pose on the arm of a good-looking man —  or two. We're celebrating this Gossip Girl's big day by rounding up her best moments hanging with the boys. Click through to see the birthday girl smile big with Seal, Ben Affleck, boyfriend Ryan Reynolds, and more!