The Oscar-winner—looking stunning in Dior—couldn't resist reaching out to touch Sarah Jessica Parker's outrageous Philip Treacy headdress causing the two to bust into a giggles fit over the exchange.
Although the accessory caught Jennifer by surprise, The Sex and the City star is well-known for her over-the-top fascinators both on and off the small screen.
And really, who could really blame J.Law for her curiosity. If we'd been in arms-length of the enormous gold faux hawk we'd probably want to pet it too.
Tune in to E! News Tuesday at 7 p.m. for even more from the Met Gala.