In 2000, the stars of ABBA were offered a staggering $1 billion (£637.8m) to reunite, which is an extraordinary $1.8 billion (£1.5bn) in today's dollars.
The pop group – famed for hits such as Mamma Mia and Dancing Queen – was formed of two real-life couples: Agnetha Fältskog and Björn Ulvaeus, who married in 1971, and Benny Andersson and Anni-Frid Lyngstad, who tied the knot in 1978.
However, Fältskog and Ulvaeus divorced in 1979, while Lyngstad and Andersson separated soon after. By 1982, ABBA had officially split, leaving fans around the globe distraught.
Speaking at the time about the billion-dollar reunion offer, Andersson told Swedish tabloid Aftonbladet: "It's a hell of a lot of money to say no to, but we decided it wasn't for us". Ulvaeus added: "We have never made a comeback. Almost everyone else has. I think there's a message in that".
However, to the delight of music lovers everywhere, you can see ABBA live today, albeit in digital form. So-called "ABBAtars" of the four members are currently performing alongside a live band at a specially-constructed arena in London.
So you could argue ABBA made a very smart decision by not accepting that billion-dollar offer. After all, thanks tot he ABBAtars, each of them is set to make millions without so much as stepping foot on stage.
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