Backed by former member Bjorn Ulvaeus, the museum features some of the band's glitzy stage costumes, instruments and other mementos.

BBC: Abba museum to open doors in Stockholm

Several thousand fans cheered as Benny Andersson, Bjorn Ulvaeus, Anni-Frid Lyngstad and Agnetha Faltskog walked down the red carpet in Stockholm.

BBC: Abba quartet at Mamma Mia showing

The museum, backed by former member Bjorn Ulvaeus, will feature some of the band's glitzy stage costumes, instruments and other mementos.

BBC: Abba museum to open in Stockholm