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

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

The latest batch of celebs tackle loaf cake, meringue towers and Prue's fancy technical.

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

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

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.

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.

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

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?

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.

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

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.