1) James Marsters from Buffy sings Nirvana’s Come As You Are

2) Kristen Bell from Heroes sings the theme from Fame

3) Boston Legal’s William Shatner sings Pulp’s Common People

4) Bruce Willis sings The Rolling Stones’ Paint It Black

5) House star Hugh Laurie sings his own composition, Mystery

6) Don Johnson’s 1986 ‘hit’ Heartbeat (sadly not a cover of the retro Yorkshire cop show’s theme tune)

7) David ‘The Hoff’ Hasselhoff sings the Beach Boys classic California Girls

8) Heroes cutie Hayden Panettiere sings the US National Anthem

9) Zooey Deschanel from Bones sings Screamin’ Jay Hawkins’ I Put A Spell On You

10) CSI’s Gary Dourdan sings Movin’ On Up (with a little help from Macy Gray)