He was impressed with the actress's taste in men.
Lawrence, 24, told Vanity Fair magazine that she's "in love" with the 67-year-old actor and she has been "for a really long time."
"I worship Woody Allen, but I don’t feel it below the belt the way I do for Larry David," she told the magazine.
"Maybe she's referring to her knees?" the "Curb Your Enthusiasm" star wondered. "I don't think I could do it. On one hand it's very flattering and on another hand, it's kind of a shame — in terms of timing. I'd have fun watching the reality show of it though."