Aqua, best known for their 1997 multi-platinum single Barbie Girl, are still touring but it's not all been plain sailing for the much-loved Danish-Norwegian Europop music group. From band break ups to love triangles this trio - which was previously a four-piece - has gone though it all. The band first broke onto the scene in the late 90s, with one of the most iconic tracks of the decade - you're lying if you don't know the chorus off by heart.