The new entertainment venue opened its doors to 130 special guests and fans lucky enough to have snapped up one of the 1,340 kronor ($157) tickets at 6pm on Wednesday.
Lyngstad smiled warmly for the cameras but declined to talk to Swedish media. “No, absolutely not, she said,” before disappearing inside.
And here comes Benny Andersson! 2/4 (or 1/2!) of #Abba in the house! #MammaMiaTheParty pic.twitter.com/kor7P9J7bS
— Maddy Savage (@maddysavage) January 20, 2016
Wow #Agnetha is here. That's 3/4 of #Abba. Since #Björn is hosting the event it means their first reunion since 2008 pic.twitter.com/TYFNmnIvLT
— Maddy Savage (@maddysavage) January 20, 2016
Video of the decade! #ABBA #ABBAReunion pic.twitter.com/4lPbFLxElv
— Wonderingly (@Wonderingly) January 20, 2016
The four Abba members had not appeared together since 2008 when they walked down red carpets in London and Stockholm for the film premieres of Mamma Mia!. When the long-awaited Abba museum opened in the Swedish capital in 2013, Fältskog was in the UK promoting her latest album.
They had not been been seen on stage since Abba's heyday more than 30 years ago.
A picture from inside the premiere sent in by a fan. Photo: Private
Just spoken to #Björn and he's off to West Indies next week to translate event scripts into English in the sunshine pic.twitter.com/2oJ3mARafl
— Maddy Savage (@maddysavage) January 20, 2016
Iris Werner from Germany and Evelina Nyenss from Belgium were among the first fans to arrive on Wednesday evening and spoke to The Local just before the event started as they waited in around -10C for the doors to open.
Abba fans Iris Werner and Evelina Nyenss. Photo: Maddy Savage/The Local
Premiär för “Mamma Mia! The party!” #MammaMiaTheParty pic.twitter.com/d81M9bLJ6L
— Christer Sturmark (@ChSturmark) January 20, 2016
OH MY GOD!!!! I WANT TO DIE!!!!!!!! https://t.co/w4jsZWxHJZ
— Helena (@bobdeniros) January 20, 2016
This is the dream. Can't believe I'm missing this!! https://t.co/M8HblV7O7L
— Rory Stride (@rmstride) January 20, 2016
I love the Swedish Royal Family https://t.co/RgmyYaykOr
— KReeD News (@ShayneOfficial) January 20, 2016
This is happening down the road from me yet here I am washing my underwear https://t.co/TEzdK9QRyr
— Chris Lilley (@ChrisFLilley) January 20, 2016
Reporting by Emma Löfgren and Maddy Savage