X Factor charity single tops the charts
The charity tune - featuring all 16 finalists - sold 144,000 copies in its first week of sale.
All money raised will go to Help For Heroes to pay for recovery centres for wounded soldiers.
In 2008, The X Factor finalists covered Mariah Carey's Hero for the charity.
It raised £1.3million for a rehabilitation complex in Headley Court.
David, 63, first released Heroes in 1977, when it reach No 24 in the charts.