The Great Celebrity Bake Off for Stand Up To Cancer Episode Rating Graph

The celeb bakers tackle scones, a devilish technical, and a self-portrait croquembouche.

The celebrity bakers take on three challenges - brownies, a 3-D biscuit, and a technical challenge that is quite a handful.

Bake Off's back as Daisy Ridley, Rob Beckett, Alexandra Burke and Tom Allen make millionaire shortbread, a fruity tart and their pet hates in cake form.

Jeremy Paxman, Joe Wilkinson, Sally Lindsay, Georgia Toffolo are in the tent, baking characterful biscuits and 'hobby cakes' as one of them seeks to bag the coveted star baker apron.

Comedian Johnny Vegas, grime artist Big Narstie, Olympian Katarina Johnson-Thompson and Labour MP Jess Phillips handle shortbread for their signature challenge, get to grips with a picnic favourite for the technical, and re-create themselves in cake form as their showstopper.

Ruby Wax, Gareth Malone, Laura Whitmore and Yung Filly make signature fruit turnovers and a chocolate fondant technical, and relive their most embarrassing moments in a meringue showstopper.

Matt Lucas dons an apron to bake alongside DJ Annie Mac, Ed Gamble and rapper Example as they tackle signature stained-glass biscuits, a jam-packed technical, and showstopping cakes that showcase what they did before they were famous.

James McAvoy, Anne-Marie, David Baddiel and Dame Kelly Holmes make signature decorative tarts and a savoury technical, and render their spirit animals in cake form in the showstopper.

The celebs tackle a savoury pie signature and fiddly French confection in the technical, before recreating their most embarrassing celebrity fail in meringue.

In three challenges, set by Paul Hollywood and new judge Caroline Waldegrave, the bakers must make delicious crumpets in the Signature, not panic over perfect piping in the Technical and recreate their celebrity hero in pastry for their Showstopper.

Carol Vorderman, Kelly Brook, Rob Rinder and Mo Gilligan tackle a signature sandwich biscuit, a sweet bread-based technical and a cake showstopper revealing their favourite guilty pleasure.

Greg James, Fern Brady, Spice Girl Mel B and Dermot O'Leary take on iced buns in the Signature, a family classic in the Technical and a hilarious Showstopper, where they create their celebrity doppelganger in biscuit form.

The bakers take on a retro recipe for brandy snaps in the signature, try not to be too cheesy in the technical and reveal all with a 'my best kept secret' cake showstopper.

AJ Odudu, Gemma Collins, Jessica Hynes and Tim Key make sandwich cakes and a classic tart, before recreating their earliest childhood memory in choux.

A new batch of celebs enter the tent. It's spouse and sibling rivalry, as Chris and Rosie Ramsey and Scarlette and Stuart Douglas take on each other.

Mo Farah, Motsi Mabuse, Katherine Kelly and Ben Miller tackle meringue roulades in the signature challenge, make traditional Italian biscuits in the technical, and render their favourite childhood memory in cake form in the showstopper.

Oti Mabuse, Gabby Logan, David O'Doherty, Suzi Ruffell take on an ice cream roll Signature challenge and a kids' party favourite in the Technical, before creating their biggest fear in meringue form for the Showstopper.

Noel Fielding and Alison Hammond welcome Joe Locke, the Rev Richard Coles, Adam Hills and Sara Cox into the tent. Under the watchful eye of judges Paul Hollywood and Prue Leith, the contenders must take on Signature biscuit bars, grapple with pastry in the Technical, and recreate their famous best friend for their Showstopper.