NEWPORT-BORN actor Michael Sheen will join an assortment of celebs in a Comic Relief edition of The Great British Bake Off.

The Hollywood star will join Dame Edna Everage, Joanna Lumley and YouTube name Zoella.

The 24-year-old, whose real name is Zoe Sugg, will drag down the average age of the competitors, who also include Jonathan Ross, Lulu, and former Prime Minister Gordon Brown's wife Sarah.

Running over four weeks, the contest see 16 celebrities compete for the baking crown under the gaze of Mary Berry and Paul Hollywood.

The series begins on 11 February.

The line-up also features former Radio 1 DJ Chris Moyles, Alexa Chung, comedian David Mitchell, TV presenter Gok Wan, DJ Jameela Jamil, Victoria Wood, Jennifer Saunders, Strictly champion Abbey Clancy and Kayvan Novak, from Channel 4's Fonejacker series.

Regular presenters Sue Perkins and Mel Giedroyc will be joined by Jo Brand and Ed Byrne for the series, while an episode of spin-off show An Extra Slice will be broadcast on Red Nose Day itself, Friday, 13 March.

The bakery show has proved a great success, spawning a US spin-off and recently winning a National Television Award for "best skills-based reality series".