The Oscar-winning actress was guest host on Jimmy Kimmel Live!" on Thursday and Kim Kardashian was her guest.
Not holding back, Jennifer got the chat started by asking the 37-year-old mum about here exes.
"Do you think it's a coincidence that Reggie Bush's wife looks just like you?" Lawrence asked. "I don't."
Kardashian West laughed it off, but more hilarious questions and revelations followed.
Kim recalled what happened when Jennifer came over for dinner recently at mum Kris Jenner's house.
"I've never seen my mom more drunk in our lives," Kim spilled. "It was so funny."
Jen also confessed that she "drank five martinis and wound up naked in (Jenner's) closet."
The actress said she just wanted a makeover from Kim and her fashion label-owning rapper-husband, Kanye West.
"You said, 'I'm not joking. I really want Kanye to style me and so I said, 'OK,' " Kim said.
"I come back in and you're fully butt naked. I said, 'Umm, I'm going to intercom downstairs and tell (Kanye) not to come up.' "
Watch the full interview below.