It was released in September 2009 in Belgium and in February 2010 in the rest of Europe.
The song reached number one in Belgium, Albania, Austria, Bulgaria, the Czech Republic, Denmark, Finland, France, Germany, Greece, Italy, Luxembourg, the Netherlands, Poland, Romania, Russia, Slovakia, Switzerland and Turkey.
Four months after the European release, almost one million copies worldwide were sold.
The song spent 57 weeks on the German Singles Chart, making it the 40th song to spend one year or longer on that chart and the song with the 31st longest run.
The track reached number one on the European Hot 100 Singles.