Ashley Greene & Paul Khoury Celebrate with Kellan Lutz!

Ashley Greene and her boyfriend Paul Khoury makes a swift exit from Rivabella on Friday night (March 28) in West Hollywood, Calif.

The adorable couple were out celebrating the 29th birthday of Ashley‘s former Twilight co-star Kellan Lutz.

PHOTOS: Check out the latest pics of Ashley Greene

After Ashley and Paul left, Kellan was spotted heading back to his car.

The week before, Kellan blew out the candles off of a belated birthday cake while attending the launch of the Abbot + Main Spring 2014 Collection inside Bloomingdales at Beverly Center in Los Angeles.

10+ pics inside…