Derek Hough & Mark Ballas: Shirtless Beach Studs!

Dancing with the Stars pro’s Derek Hough and Mark Ballas show off their buff shirtless bodies while hanging out on the beach on Wednesday (August 29) in Malibu, Calif.

The guys hung out in the water, played beach volleyball, and Derek took some time to run and play with his pup!

PHOTOS: Check out the latest pics of shirtless celebrities

That same day, Derek‘s sister Julianne Hough was spotted leaving a nail salon in Beverly Hills, Calif.

20+ pictures inside of shirtless Derek Hough and Mark Ballas hanging out on the beach…