The show will see the stars - who have already been training for weeks - learning gymnastics skills and tricks from pro-partners.
Think ‘Strictly Come Dancing’ meets ‘Splash’.
The 'Tumble' line-up
The official first photo also features Mr Motivator, who has actually had to pull out of the programme after suffering a knee injury.
Former Sugababe Amelle Berabah, ‘EastEnders’ actor John Partridge and Girls Aloud singer Sarah Harding are also taking part in the BBC1 show.
Ian ‘H’ Watkins of ‘Steps fame, boxer Carl Froch and actors Bobby Lockwood and Emma Samms complete the line-up.
According to reports, former ‘EastEnders’ star John, who played Christian in the soap, is already being tipped to win.
“John was by far the best and showed some real skill at gymnastics.” a source tells the Daily Star. “He is a gym junkie and even used to hold fitness classes for the stars of EastEnders during breaks in filming.
‘Tumble’ begins on 9 August on BBC1.