ENTOURAGE star Adrian Grenier and swimsuit model MELISSA KELLER have gone public with their secret romance after reportedly dating for more than two years. Grenier, who plays Vincent Chase on the U.S. TV show, and the Sports Illustrated beauty were recently spotted holidaying together and now they no longer care who knows about the romance. The couple was spotted at a Los Angeles party on 14 July (07) and "seemed oblivious to everyone around them" as they kissed and cuddled, according to People.com.