Miss Dior - What Happened?

White roses, a wedding, and Dior.

A plain card with a strange message, and a hashtag that I can't figure out. 

#itsmissactually

Where has Miss Dior gone?
What's it all mean?

All I've got is a teaser video, which you can view above. I suppose we'll have to stay posted to find out!

Moo admires the white roses.

The cat at least - is staying near the flowers.
She likes smelling roses for some reason.