In May 2007 he released the second single "Double Je", which went directly on the #1 in France and Belgium. The third single, "Jacques A Dit" came out in autumn 2007. The album was well received and sold double platinum in France and gold in Belgium and Switzerland. So far, the album has sold over 1 million copies. Willem started his first tour on 15 November 2007 and it ended on 20 July 2008. He toured France, Belgium, Switzerland and the Overseas departments and territories of France, such as Réunion, Mauritius and even New Caledonia. He also sang several times in Paris at L'Olympia and "Zenith", which are the most prestigious concert halls in Paris.