Don't let them kid you. Just do as the ladies do.
5 seconds sound clip from the A King in New York (1957) movie soundboard.
You can hear this line at 00:26:28 in the Blu-ray version of the movie.
Quote context
[...]
- He'll telephone the butler the moment the King arrives.
- What's all this business about curtseying to the King?
- Haven't you ever been presented at Court?
- Don't let them kid you. Just do as the ladies do.
- And another thing, you don't sit before he does.
- After 36 holes of golf, I hope he sits quick.
- Me too, with my swollen kneecap!
- Well, here's a chance to sit before he gets here.
[...]