okay let's reveal our celebrities competing
David Coulthard, former Formula 1 Driver
Stefan Booth, former EastEnders actor and singer
Max Whitlock, Olympic Gymnast
Chris Rea, singer-songwriter
Joe Crowley, journalist
Richard Hammond, former top gear presenter, and writer
Joe McElderry, X Factor winner and singer
Derek Jacobi, Theatre and acting legend
Ed Balls, Labour Party Politician
