Bridget: Wait a minute... Nice boys don't kiss like that.
Mark Darcy: Oh, yes, they fucking do.
When Bridget is getting dressed for her big date with Daniel, her tights are over her undies; later, when he's going up her skirt, the tights are clearly under her big ugly undies.
The publishing house where Bridget works is called "Pemberley Press". For those who haven't read or seen "Pride And Prejudice", this is also the name of Mr. Darcy's estate.