Christophe Durier (French pronunciation: ?[k?ist?f dy?je]; born 3 August 1983 in Enghien-les-Bains, Val-d'Oise), better known by his stage name Christophe Willem ([k?ist?f wil?m]), is a French singer and the winner of the fourth edition of Nouvelle Star (French version of Pop Idol) in 2006.