%22Barbie Girl%22 is a song by the Danish-Norwegian dance-pop group Aqua. It was released in July 1997 as their third single overall, and the first United Kingdom release, it is included on the album Aquarium. The song was written by Johnny Mosegaard Pedersen and Karsten Dahlgaard after the group saw an exhibit on kitsch culture.The song topped the charts worldwide, particularly in European countries such as the UK, where it was a number-one hit for three weeks. It was also on top of the charts in Australia for the same length of time, and debuted and peaked at No. 7 on the US Billboard Hot 100 on 6 September 1997 and it remains Aqua's biggest hit single in the US to date, and their only one to reach the top 20 of the Billboard Hot 100. It is Aqua's most popular work. The song became the subject of the controversial lawsuit Mattel v. MCA Records.