Remember us? Abba&nbsp;set the tone for the epitome of 70s style and glamour; taking the Eurovision Song Contest&nbsp;by storm in 1974 (held in the lovely UK seaside town of Brighton), and moving on to become one of the most commercially successful artists of all time.
They won Eurovision with their song Waterloo, and their costumes are an unusual medley of British glam-rock with French Napoleonic garb. If you want to see their breakthrough original performance, click here.