Singer and film star Will Smith is to host Nelson Mandela's Aids benefit concert, which is taking place in South Africa next month.
Actor Will Smith and Nelson Mandela met last September
The US star will also perform at the event, along with Annie Lennox, Katie Melua and Queen - who will be fronted by Bad Company singer Paul Rogers.
Mandela, whose son recently died of an Aids-related illness, has urged his countrymen to buy tickets for the show.
Smith become an ambassador for Mandela's foundation in September 2004.
The concert on 19 March is expected to highlight the plight of South African women, who are six times more likely to become infected with the HIV virus than men.
The event takes the name of 46664, a reference to Mandela's prison number during his long incarceration in the apartheid era.
The concert in 2003 captured an audience of two billion
A host of local performers are also lined up to play in the city of George, including Johnny Clegg and Mafikizolo.
Other high-profile stars who have donated to the former South African president's cause include Missy Elliott and Beyonce Knowles, while actor Brad Pitt has become a special ambassador for Mandela's campaign.
The last concert, held in November 2003 in Cape Town, was watched by a 40,000-strong audience and was seen by a television and internet audience of two billion people.