Kellan Lutz stuck by girlfriend AnnaLynne McCord's side on Saturday to celebrate her 23rd birthday at Las Vegas's MGM Grand. The couple, who are back in the US after a trip to Germany, posed together on the blue carpet before heading over to the pool, where Kellan went shirtless and sipped a Bud Light. AnnaLynne, meanwhile, put on a bikini to dance with her sister Angel. Our Hottest Summer Bikini Body contest continues without AnnaLynne, who was knocked out in the first round by Blake Lively — Blake, though, is still in the running against Jessica Alba, so make sure to fill out your bracket and enter to win an iPhone 4!
To see more from the bash, just