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

Stacey Dooley, Jade Thirlwall, KSI and Katherine Ryan make cocktail-flavoured fondant fancies and have their pastry skills tested, before creating a showstopping biscuit and meringue scene.

This time the celebs face a blondies signature challenge, a testing technical, and the opportunity to reveal their secret passion with a cake showstopper.

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.

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

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.

The celebrity bakers tackle topped flapjacks for the signature challenge, a tricky technical, and make their 'happy places' out of meringue for the showstopper challenge.

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

Danny Dyer, Rhod Gilbert, Leigh Francis and Yinka Bokinn attempt miniature biscuit people in the Signature and a fancy tea-time classic in the Technical, before recreating their biggest failure in cake form for the Showstopper.

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.

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.

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

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.

The celebs face an 'all or muffin' signature and a not 'as easy as pie' technical. And dreams may turn to nightmares during the showstopper cake challenge.

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.

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.

James Blunt, Alison Hammond, Alex Jones and Joe Sugg tackle decorated traybakes, a classic British staple and an impressive biscuit scene depicting what they wanted to be when they grew up.

Dizzee Rascal, Nick Grimshaw, Philippa Perry and Reece Shearsmith tackle vegetable slices, a royal technical and a 'selfie' made entirely from biscuit.

Paddy McGuinness, Coleen Nolan, Joe Thomas and Ellie Taylor make Jaffa cakes, take the rough with the smooth in the pastry technical, and render their home towns in biscuit for their showstoppers.