Sport Relief kicks off in March, and once again lots of celebs are getting involved. Double Olympic champ Dame Kelly Holmes is raring to go.
CBBC and X Factor star Fearne Cotton is also backing the campaign. She's modelling some of the Sport Relief gear - including the red socks organisers want everyone to wear.
Another big star behind Sport Relief is cricketer Andrew Flintoff, posing here with his wife Rachael.
Tess Daly has danced her way into her Sport Relief socks. A special Strictly Come Dancing show is expected to be one of the highlights this year.
Dame Tanni Grey-Thompson is one of Great Britain's best ever athletes. She won 19 Olympic medals including 11 golds. And now she's got a Sport Relief T-shirt too!
Footie experts Alan Hansen and Gary Lineker try out one of the ideas to raise money - a sponsored arm wrestle. Sport Relief takes place on 14, 15, and 16 March 2008.
Comeback queens the Spice Girls are also backing the charity. But they're not singing the official single, Leona Lewis is.
Take That try to match their smart suits with Sport Relief socks. Not quite sure the look works that well boys!