Breakdancer and Series 2 winner George Sampson takes on singer and Series 13 winner Colin Thackery, America's Got Talent comedian Preacher Lawson, comedy dance duo Stavros Flatley, and more.

Cast: Anthony McPartlin, Declan Donnelly, Simon Cowell, Alesha Dixon, Amanda Holden, David Walliams, Bonnie Anderson, Billy England, Emily England, Mirror Family, Stavros Flatley, Preacher Lawson, George Sampson, Issy Simpson, Colin Thackery