Mel Giedroyc is one of the guests on this Sunday's Sunday Brunch, hosted, as ever, by Tim Lovejoy and Simon Rimmer.

Giedroyc will be on to plug her new show Unforgivable in which celebrities come clean about their most despicable deeds and uncharitable behaviour. Giedroyc's sidekick is Lou Sandersand guests includeGraham Norton, Jennifer Saunders, Richard Ayoade, Harry Redknapp, Gemma Collins, Tom Allen, Jo Brand, Darren Harriott, Johnny Vegas, Sara Pascoe, Sophie Duker, Alex Brooker, Desiree Burch, Richard Bacon, Ed Gamble, Jimmy Carr, Sindhu Vee, Phil Wang, David Baddiel, Rob Rinder, Judi Love, Chris Kamara and Josh Widdicombe.

Mel, for example, finds Graham Norton guilty of standing her up for a lunch date. You can watch a clip of this below. Lou Sanders, Alex Brooker and Desiree Burch listen in on the sorry tale. Watch Mel Giedroyc: Unforgivable on Dave from February 2021. The show starts on Dave from 2nd February at 10pm.

Also on Sunday Brunch are Jazmin Sawyers, the medal-winning athlete who also competed in the sixth series of The Voice UK. Plus footballer-turned-presenter-turned-footballer-turned-presenter Mark Wright, star of Belfast-set ITV1 thriller Marcella Anna Friel and writer Marian Keyes. Richard Hammond will be talking about his new show The Great Escapists, which is on Amazon Prime.

Plus cheese and booze tips to help get us through lockdown and music from crazy-haired brilliant singer Celeste.

Sunday Brunch, January 30, 9.30am, C4. 

Watch Mel Giedroyc below