The Best Episodes of The Great Celebrity Bake Off for Stand Up To Cancer

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

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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.

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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.

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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.

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

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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.

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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.

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The first batch of celebs make cupcakes, 3D biscuits, and take on a fiery technical.

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The celeb bakers tackle roulades for the signature, a tricky technical, and make their favourite place in the form of a cake for the showstopper.

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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.

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Actor David Morrissey, comedian Lucy Beaumont, Olympic medal-winning diver Tom Daley and radio presenter and cancer survivor Adele Roberts attempt a savoury quiche signature, a technical teatime biscuit and a showstopping day off in cake form.

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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.

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

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

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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.

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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.

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

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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.

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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.

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The Bake Off for Stand Up To Cancer is back and first in the tent are Louis Theroux, Jenny Eclair, Russell Howard and Ovie Soko. Who will be star baker?

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The celeb bakers tackle classic eclairs for the signature and puff pastry for the technical, and recreate their biggest fears in a cake showstopper.

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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.

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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.

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Emma Willis, Clara Amfo, Blake Harrison and Alex Horne take on decorated biscuits, madeleines and a showstopping choux sculpture which embodies their secret talent.

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The celebs tackle a fruity drizzle cake and a giant biscuit selfie.

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