ABBA's Agnetha Faltskog and Bjorn Ulvaeus should be celebrating their 49th wedding anniversary. The former bandmates tied the knot on July 6, 1971, one year before they went on to form their chart-topping band alongside another couple, Anni-Frid Lyngstad and Benny Andersson.
The talented foursome were catapulted to worldwide fame after they won the Eurovision Song Contest in 1974. Their back catalogue is one of the most recognisable of any band in history, and it's spawned a huge Broadway and West End musical, as well as two hit movies with star-studded casts.
But it was when both couples filed for divorce that the group was doomed to split. Agnetha and Benny split in 1979, and she needed therapy after the break up.
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