The Great British Bake Off makes its comeback to Channel 4 this evening - featuring Paul Hollywood and Prue Leith returning to the famous tent to assess the contestants, joined by presenters Alison Hammond and Noel Fielding.

It's been eight years since the programme transferred from the BBC and cherished judge Dame Mary Berry departed - but what prompted her to leave?

The announcement came in 2016 that the series would be switching to Channel 4 , following the programme's production company, Love Productions, selling the broadcasting rights.

Read more GBBO's Prue Leith makes heartbreaking 'step away' admission in rare interview

Berry wasn't the only one who chose to remain with the BBC.

Presenters Mel Giedroyc and Sue Perkins also opted to stay - though Paul Hollywood, who app

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