January 20th marked the premiere of "Mamma Mia: The Party", a restaurant inspired by the world-famous jukebox musical and film, which employs many hits by Swedish supergroup ABBA.
The iconic pop band's former members - Agnetha Fältskog, Björn Ulvaeus, Benny Andersson and Anni-Frid Lyngstad - arrived separately at Stockholm's Tyrol restaurant, but declined to pose for photos together and even rejected suggestions they would ever perform together again.
Agnetha Faltskog (l) and Anni-Frid Lyngstad, with her partner Henry Smith, arrived separately for the premiere of Mamma Mia! The Party.
The event went down smoothly, recreating the Greek taverna setting of the Broadway musical and film where, according to its website, "everything happens on a magical evening in several acts filled with singing and dancing, daredevil stunts, Greek Gods, flirty waiters, and perhaps a Zorba and an Ouzo or two."
At the end of "Does Your Mother Know," however, all was covered with smoke, and then...
After 30 years of their last Television performance as ABBA and 8 years after appearing during the premiere of "Mamma Mia! The Film" in Stockholm, all four members of ABBA stood side by side, to the adoration of fans present in the venue
Internet was soon flooded by pictures taken by the audience of the band, which split in 1982 and famously said "no" to a $1 Billion concert offer.