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

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

Mark Ruffalo, Nicki Minaj, John Bishop, Rufus Wainwright

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

Julie Walters, Didier Drogba, Simon Amstell, Jessie J

Kristen Stewart, Chris Rock, Stephen Mangan, Engelbert Humperdinck

Will Smith, Gary Barlow, Sir Tom Jones

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

Jon Hamm, Charlize Theron, Steve Coogan

Katy Perry, Ross Noble, Cheryl Cole

Emily Blunt, Russell Brand, Paloma Faith

Danny DeVito, Rhod Gilbert, Charlotte Church, Fun

Compilation