Lawrence, 23, told the tale on “Late Night with Seth Meyers” weeks ago, but the episode didn't air until Wednesday night.
J.Law told Seth that for her third go-round at the Oscars, she agreed to take her best friend instead of her family, and things got a little wild.
The girls got goofy, at one point they even called Brad Pitt over to them. Jennifer said he smelled like sandalwood!
Later that night they went to Madonna's A-list after-party. “I puked on the porch and I was in such bad condition, and I look behind me while I'm puking and Miley Cyrus is there, [looking at me] like, 'Get it together.'”