Mix and match.
We know she liked to expose herself. And there is a lot to expose in shorts like that.
Yes ladies and gentelemen, reporters, it is a fact Agnetha and Frida can read! As their manager I knew of course, but now you can see it for your selves!
Eighties Agnetha. Big shoulders, but hey, she could have it!

Frida, Benny and nanny Lise-Lotte Olofsson.
And no, Frida and Benny were grown ups they didn't need a nanny to look after them. Or did they? This and more in the next episode of.... Abba-secrets