Just Dance was a flop.
Just Dance (song) . The song received positive reviews from music critics , who complimented its club anthem-like nature and the synthpop associated with it . The song topped the charts in the United States , Australia , Canada , the Republic of Ireland , the Netherlands and the United Kingdom , as well as reaching the top ten in many other countries . In the United States , `` Just Dance '' was a sleeper hit , spending almost five months on the Billboard Hot 100 before finally reaching the summit of the chart in January 2009 , after being released in April 2008 . The single is among the best-selling singles of all time , having sold over 10 million copies .