And that, according to Lanthimos, is exactly what he had in mind.
Lanthimos called upon Argentinian choreographer Constanza Macras to come up with the routine for Weisz and Alwyn.
Think of a new movement.

Credit: Atsushi Nishijima/Fox Searchlight
Shooting it though took on a whole new challenge.
Remembers the Oscar-winning actress, Then, of course, we had to do it in our costumes.
Him in heels and me in heels and a corset and a six-foot train.
Some of the moves just didnt work because of costumes, so we had to rethink them.
It was really a wonderful challenge.
And one of the best movie moments of the year.