"Everybody thinks they've witnessed my most embarrassing moments," Lawrence opened up to Fallon, "but there's these two really humiliating stories… that I've never talked about because it’s so genuinely embarrassing. But now I feel like the statute of limitations on humiliation is up, and I'm ready."
So how much worse could these stories be than her many public pratfalls? It turns out, the occasional awkward stumble can't hold a candle to the humiliating anecdotes she's kept locked away.
The first incident occurred in early 2013, during the awards season following the releases of Silver Linings Playbook -- when Lawrence was at a fancy showbiz party, and an old, friendly woman approached her and struck up a conversation.
"In my head I just went, 'This is a Elizabeth Taylor,'" Lawrence recalled, before explaining that the problem with that assumption was that Taylor "was dead at the time."
"She's still dead," Lawrence joked. "But I didn't know that."
For the record, Taylor died in March 2011, significantly before Lawrence's conversation with this total stranger.
Lawrence shared that, during the course of her conversation with the woman she thought was the late Cleopatra star, the woman paid several compliments to Lawrence, who enthusiastically returned several confusing compliments meant for Taylor -- who, again, was absolutely not the person she was talking to.
"Then my friend walks by and I grab her, and I was like, 'This is Elizabeth Taylor!' And she was like, 'No it's not!'" Lawrence said, laughing.
"I just took off running," she added. "I just sprinted, and my shoes fell off, and I hid behind this wall."
Okay, so that's not great. But mistaking a random old lady for a long-dead Hollywood superstar isn't nearly as bad as her second story.
Let us set the stage: Lawrence was in Paris for the first time, and wearing a fancy dress, when she saw director Francis Ford Coppola sitting at a restaurant, eating a meal with a giant group of people.
After a long period of debate, the American Hustle actress finally mustered up the courage to introduce herself to the legendary filmmaker.
"I stated walking [over to Coppola] and I noticed I was barefoot, but I was like, 'Eh, they probably won't notice,'" Lawrence recalled. "So I'm barefoot, and I, like, introduced myself, said, 'Oh, I'm such a huge fan! The Godfather! Ahhhh!' And then went on and introduced myself to the whole table, 'Hi, I'm Jennifer Lawrence.' They had no idea who I was. Then, I went back to my table, and [I realized] my entire dress was unzipped, and my thong was out."
"So I'm barefoot, and my whole ass was out," Lawrence concluded. "I thought the shoes were going to be the problem."
Lawrence later proved she can be just as funny when she's embarrassing herself on purpose when she and Fallon showed off their bizarre dancing skills on a psychedelic infomercial called "Come Dance With Us" -- it's impossible to really explain, so just enjoy it for it's bizarre hilarity.
Whether she's inadvertently flashing legendary directors or rocking club-kid costumes and doing dances like "Peekaboo-A-Choo," "Lunch Box Salute" and "Brow Brow Chicken Cow," Lawrence is endlessly charming.