Mark Ruffalo, Nicki Minaj, John Bishop, Rufus Wainwright

49 min

Zac Efron, Matt LeBlanc, Lee Mack, Marina and the Diamonds

49 min

Julie Walters, Didier Drogba, Simon Amstell, Jessie J

49 min

Kristen Stewart, Chris Rock, Stephen Mangan, Engelbert Humperdinck

49 min

Will Smith, Gary Barlow, Sir Tom Jones

49 min

Sir David Attenborough, Cameron Diaz, Kathy Burke, The Scissor Sisters

49 min

Jon Hamm, Charlize Theron, Steve Coogan

49 min

Katy Perry, Ross Noble, Cheryl Cole

49 min

Emily Blunt, Russell Brand, Paloma Faith

49 min

will.i.am, Greg Davies, Miriam Margolyes, Adam Lambert

49 min

Danny DeVito, Rhod Gilbert, Charlotte Church, Fun

49 min

Compilation