S15 E1: Russell Crowe, Cameron Diaz, Richard Ayoade, Kylie Minogue

S15 E2: Andrew Garfield, Emma Stone, Jamie Foxx, Paolo Nutini

S15 E3: Ricky Gervais, Ronnie Corbett, Juliette Binoche, Imelda May

S15 E4: Zac Efron, Seth Rogen, Matt LeBlanc, Kaiser Chiefs

S15 E5: Hugh Jackman, Michael Fassbender, James McAvoy, Molly

S15 E6: Brenda Blethyn, Stephen Mangan, Jean Paul Gaultier, Barry Manilow

S15 E7: Dawn French, Kirsten Dunst, Bear Grylls, Sam Smith

S15 E8: Dame Julie Andrews, Channing Tatum, Jonah Hill, Pharrell Williams

S15 E9: Tom Cruise, Emily Blunt, Charlize Theron, Seth McFarlane

S15 E10: Nicole Kidman, Mark Ruffalo, Michael Sheen, Ed Sheeran

S15 E11: Samuel L Jackson, Keira Knightley, Jenson Button

S15 E12: Cheryl Cole, Don Johnson, John Bishop, Brendan O'Carroll

S15 E13: Compilation