Kellan Lutz & Dolph Lundgren Show Support for Their 'The Expendables 3' Co-Star at UFC 175!

Kellan Lutz and Dolph Lundgren show off their muscles at the UFC 175 event at the Mandalay Bay Events Center on Saturday night (July 5) in Las Vegas. The actors were joined at the event by UFC bantamweight champion and his Expendables 3 co-star Ronda Rousey and boxer Victor Ortiz. PHOTOS: Check out the latest