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

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.

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.

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.

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

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

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

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

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.

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

Kate Garraway, Gbemisola Ikumelo, Phil Wang, and Sophie Willan will be taking on mini loaf cakes in the Signature and things get spicy in the Technical. In the Showstopper the celebrities reveal their hidden talent in choux.

Roman Kemp, Amelia Dimoldenberg, Sarah Beeny, and Maxine Peake take cupcakes to a new level and create memorable romantic dates in biscuit form.

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.

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.

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.

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.

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

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.

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, and 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.