The four members of ABBA have been given one of the most prestigious knighthoods in their native Sweden – which has not been handed out to anyone in almost 50 years.

Agnetha Faltskog, Bjorn Ulvaeus, Benny Andersson and Anni-Frid Lyngstad received the Order of the Vasa in the capital Stockholm.

They became “Commander of the First Class” of the order for “very outstanding efforts in Swedish and international music life”.

The stars were given the knighthoods by King Carl XVI Gustaf…