Co-stars of the Gossip Girl, Bake Lively and Penn Badgley’s off screen romance seem to be heating up – no wonder I am dying from the heat lately. Lively, 20 and Badgley, 21 were photographed kissing in the pool at the Paraiso de la Bonita, a luxury resort in Mexico’s Mayan Riviera in May.

more photos after the jump…