If anything, it was like the final key to unlocking this character.

It took vanity out the window.

Luckily, everything went as it should.

Florence Pugh looking to camera

Pugh also gave some insight into why her character Ally cuts her hair.

I was just looking in any direction but the thing that was making me sad," she shared.

“It was my idea,” she shared with Fallon.

Florence Pugh looking over shoulder

And he was like, ‘Cool.

That’s not gonna work.’

It was like, ‘How do we do this shooting in order?’

Florence Pugh smiling

And I was like, ‘You’ll figure it out.'"

And I was like, ‘You’ll figure it out.'"

Clearly, Pugh’s determination worked in her favor.

“And they figured it out!

I did it!”

she told Fallon, laughing along with the crowd.