Season 1

1.Cate Blanchett, Ewan McGregor, Michael Sheen, Matt Lucas, Keane

2.Mark Ruffalo, Nicki Minaj, John Bishop, Rufus Wainwright

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

4.Julie Walters, Didier Drogba, Simon Amstell, Jessie J

5.Kristen Stewart, Chris Rock, Stephen Mangan, Engelbert Humperdinck

6.Will Smith, Gary Barlow, Sir Tom Jones

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

8.Jon Hamm, Charlize Theron, Steve Coogan

9.Katy Perry, Ross Noble, Cheryl Cole

10.Emily Blunt, Russell Brand, Paloma Faith

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

12.Danny DeVito, Rhod Gilbert, Charlotte Church, Fun

13.Compilation