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Fact #148345

When:

Short story:

All four members of ABBA attend the opening of member Bjorn Ulvaeus' new business venture, a theatre-restaurant in Stockholm, Sweden, Europe, based on and named after their hit single Mamma Mia. This marks the first time all four members of ABBA have been photographed together since they attended the premiere of the movie Mamma Mia in London in 2008.