Adrian Grenier girlfriend couple jeans jacket Entourage

Celebs flocked out for STK restaurant's third anniversary party in West Hollywood Tuesday night. Kristin Cavallari and fiance Jay Cutler were there, along with Scott Caan and the boys of Entourage; Adrian Grenier (with girlfriend Emmily Caldwell), Kevin Connolly and Jerry Ferrara.

Entourage is coming up on its last season; this may be the first of many last hurrahs for the guys! See our gallery for all the pics!