Music, TV and movie stars have done their bit and now some of sport’s greatest will donate their time to a benefit in aid of the people of Haiti.
Tennis stars from the Australian Open will join forces in a mixed doubles fundraising match. Roger Federer, Serena William, Lleyton Hewitt and Samantha Stosur take on Rafael Nadal, Novak Djokovic, Andy Roddick and Kim Clijsters.
Hit for Haiti and World Teams Challenge will also include highlights from the World Team Tennis as Team Australia (Pat Rafter, Pat Cash, Nicole Bradtke and Alicia Molik) take on Team International (Tracy Austin, Todd Martin and Mary Joe Fernandez).
It airs 3pm Saturday on Seven.