S13 E1: Tom Cruise, Olga Kurylenko, Gerard Butler, Paramore

S13 E2: Amanda Holden, Jack Dee, Michael Buble

S13 E3: Gwyneth Paltrow, Mo Farah, Lee Mack, Hurts

S13 E4: Lewis Hamilton, Dara O Briain, Pedro Almodovar, Alison Moyet

S13 E5: Chris Pine, Benedict Cumberbatch, Kim Cattrall, Bonnie Tyler

S13 E6: Olivia Colman, Lord Alan Sugar, Hugh Laurie

S13 E7: Daniel Radcliffe, Isla Fisher, Baz Luhrmann, Ed Byrne, Wretch 32

S13 E8: Will Smith, Jaden Smith, Michael Douglas, Bradley Cooper, Heather Graham, Selena Gomez

S13 E9: Jennifer Lopez, Freddie Flintoff, David Mitchell, the cast of Once

S13 E10: Hayden Panettiere, Dan Stevens, Micky Flanagan, Robin Thicke, Pharrell

S13 E11: Russell Crowe, Amy Adams , Henry Cavill, Katy B

S13 E12: Steve Carell, Kristen Wiig, Chris O'Dowd, Josh Groban

S13 E13: Sandra Bullock, Samuel L Jackson, Nick Frost, Jake Bugg