JLS Pose At The Gym For Sport Relief

JB and Marvin are seen in their shorts, while Aston clenches his teeth as he's picked up off the floor in his blue jogging bottoms.
Oritse, however, is seen lifting his own heavy weight for the promo shot, which was unveiled in this week's heat magazine.
And the boys have revealed that it is, in fact, Oritse who works the hardest in the gym.