
Where do you have that information from? And I don't fully understand your post - is it a question or is it something you've heard?
If it was a question: No, she was not attending the Holmenkollen Ski Festival events on Saturday and Sunday (10 - 11 March).
If it's something you've heard: The King and Princess Astrid will attend the Biathlon World Cup in Holmenkollen on Saturday and Sunday (17 - 18 March) - but I have not seen/heard anything about that Princess Beatrix will attend.
Has she attended before? Yes, she attended the Holmenkollen Ski Festival in 2014 as the King and Queen's guest.
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More photos from the ''Killi-Olsen exhibition'' in the Queen Sonja Art Stable today - taken by Oskar Aanmoen:
https://twitter.com/OAanmoen/status/973593141877059584
https://twitter.com/OAanmoen/status/973593535256715265
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