Oh, well... It may be a trifle snug today. You know how it is, dancing all night.
10 seconds sound clip from the Cinderella (1950) movie soundboard.
You can hear this line at 01:07:21 in the Blu-ray version of the movie.
Quote context
[...]
- 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.
- I can't understand why. It's always fit perfectly before.
- I don't think you're half trying.
- Shh. Quiet, my dear. We mustn't disturb His Grace.
- Young man, are you sure you're trying it on the right foot?
[...]