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Stars from across the world of TV, sport, music and beyond have already been tipped to be taking part this year.
The former Bake Off host has admitted she was "getting depressed" while working on the award-winning show.
"Have I learned my lesson about going onto a TV show to prove a point to my kids? Clearly not."
Simon Cowell has already had his say amid speculation about Bruno's future with BGT.
The Channel 4 show will get a new addition when it returns for season three next year.
The Love Island winner has had her say.
The Italian dancer has issued a fresh statement amid the BBC investigation into his conduct which he says "will determine the truth".
The Welsh dancer said she was "blessed and more excited than EVER" to be "back doing what I love most in the world".
The BBC is currently investigating complaints made about the Italian dancer by some of his former partners.
Selling Sunset's Chrishell Stause joins Bob The Drag Queen and Britney Spears' ex-husband on a line-up made up of 21 famous faces.