Outside of Radio 1 duties, Grimshaw appeared as a judge on the 12th series of The X Factor.
He also appeared in Celebrity Gogglebox with his niece Liv and has also appeared on the Stand Up to Cancer specials.
Grimshaw will appear as a contestant on The Great British Bake Off For Stand Up To Cancer on Tuesday, March 23, 2021 on Channel 4.
He will appear alongside MC Dizzee Rascal, psychiatrist and author Philippa Perry and comedian Reece Shearsmith.
Today on Sunday Brunch, Grimshaw will be discussing the Great Celebrity Bake Off for Stand Up To Cancer.
Also appearing on today’s episode is TOWIE’s Ferne McCann, journalist Chris Harris, actors Royce Pierreson, Zoë Tapper and Dominic Monaghan.
Sunday Brunch starts at 9.30am on Channel 4 every Sunday