Fascinating fact:

British pop star Olly Murs has hired the personal trainer who helped comedian David Walliams prepare for his charity swim across the English Channel to whip him into shape. Two-time Olympian Greg Whyte is putting the Troublemaker singer through his paces for a top secret endurance challenge. Whyte also helped Gary Barlow get into shape for a climb up Mount Kilimanjaro and he was behind Eddie Izzard’s preparation for his 43 marathons in 51 days effort.