A far from svelte Corden donned a flamingo-pink full body cossie and some rather fetching make-up as he strutted his stuff with a troupe of professional synchronised swimmers.
Whitehall looked slightly less confident with his goggles and nose peg giving him the look of someone constantly teetering on the brink of a watery demise.
Out of the water Whitehall regained his composure, posing in a yellow mac.
Fellow game-show panellist, Jamie Redknapp, easily took the crown of the manliest looking of the three sticking to a traditional pair of swimming shorts.
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