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Richard Arnold vs Martin Lewis plank-off battle

I don't do the plank, but I'm very competitive

Martin Lewis

The competition is hotting up as showbiz takes on money in the Eat More, Lose More plank-off battle.

So will we be showering our planking champ with glitter or bank notes? Engage your core muscles and get stuck in to the video above.

Kim takes on Piers in plank-off

It's Susanna vs Sean as our plank-off gets serious

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Logo of Good Morning Britain
itv |

Weekdays | 6am-9am