The 23-year-old actress, who is a self-confessed Harry Potter fan, recalled the awkward moment during an appearance on Late Night with Seth Meyers, reported Ave Showbiz.
Speaking of what her interests were growing up, Lawrence said, "Harry Potter. I read that three times. NSYNC, Backstreet Boys, but it all changes as you get older. You meet everyone and you're like, 'Oh, we're all adults now'. It's not the same as in the '90s."
Asked how she felt when she met Harry Potter, Lawrence said, "No! I screamed at him the first time that I met him.