Rylan Clark will join Gordon Ramsay for Christmas Day 'Cooklong Live'

Rylan Clark will join Gordon Ramsay for his TV show Cookalong Live, it has been confirmed.

The chef will guide viewers and his celebrity guests through cooking a Christmas dinner.

Clark wrote on his Twitter page: "FINALLY I can say ... Catch me tomorrow from 10am - 2pm live on channel 4 for Gordon Ramsay cook along live!!! Merry Christmas !!! #turkey"

Former X Factor contestant Clark was first rumoured to be appearing on the Channel 4 show earlier this month.

Stars also set to join Ramsay include Olympic boxer Anthony Joshua and I'm A Celebrity's Rosemary Shrager, as well as soap actresses Jennifer Metcalfe and Nina Wadia.

David Hasselhoff is also tipped to appear on the programme as a roving chef going out and about.

Gordon Ramsay's Cookalong Live airs tomorrow (December 25), at 10am on Channel 4.

Watch a Digital Spy video interview with Rylan Clark below: