This year's 'Great British Bake Off' contestants' Instagram accounts are full of delicious cakes

Mark Bourdillon/BBC

"The Great British Bake Off" returns to BBC Two on August 24.

Summer is coming to an end, which means "The Great British Bake Off" is returning to TV.

Ahead of the seventh season's debut on August 24, the BBC show's 12 contestants have been revealed - and many of them are already focused on building their personal brand with polished Instagram accounts that prove they are ready for TV fame.

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"Bake Off" rules state that contestants must not have gained a professional catering qualification in the last 10 years, and must not already make an income from baking. But that hasn't stopped eight out of this year's 12 contestants from publically sharing photos of their baking journey on Instagram.

Here's what the amateur bakers have been up to in the kitchen ahead the competition: