We must proceed with the fitting.
5 seconds sound clip from the Cinderella (1950) movie soundboard.
You can hear this line at 01:07:03 in the Blu-ray version of the movie.
Quote context
[...]
- You must be quite fatigued, Your Grace. May we offer you some tea?
- What? Tea? Thank you, madam, no.
- We must proceed with the fitting.
- Oh, well... It may be a trifle snug today. You know how it is, dancing all night.
[...]