updated 05/08/2014 AT 4:00 PM ET
•originally published 05/08/2014 AT 5:55 PM ET
She did grow up in Tennessee after all, y’all!
“I don’t know what your f–––in’ name is,” Witherspoon, 38, says in a NSFW video that was reportedly taken after the Met Gala. “That’s super-French … c’est la vie.”
In separate short video (also NSFW), she tells Delevingne, “If you force me to say your last name, I’ll be f–––ed.”
The 21-year-old model, who is English, then begs Witherspoon to say her name – and she obliges with a charming twang.
Before stepping out of the elevator, the feisty Oscar winner delivers this saucy take on names: “The most important thing in a name, for a girl,” she says with a drawl, “is that a man can whisper it in his pillow.”