It was a star-studded afternoon on the water off the coast of St. Barts today! Matt and Luciana Damon popped up on a mega yacht with Chris Hemsworth and his wife, Elsa Pataky, and other friends. They spent the day lounging on the huge watercraft, which featured a helicopter and helipad, and taking turns riding down an inflatable slide. Matt went shirtless while Chris also showed off his hot Read more