 The song eventually became the best best-selling single of the 21st century in France, with 1,500,000 units sold.In Belgium (Wallonia), the single remained on the Ultratop 40 Singles Chart from 2 April to 5 November 2005 (32 weeks), and peaked at number one for twelve weeks.It was certified Silver disc and was the second best selling single in 2005, only beaten by Crazy Frog's "Axel F".