The Oscar-winning actresses hit the red carpet together, where they proceeded to goof off in front of the cameras.
Lawrence, 27 showed off a toned midriff in a bejeweled two-piece Alexander McQueen ensemble.
As for Stone, the “La La Land” star, 29, stepped out in a white belted Louis Vuitton frock paired with silver sandals.Vuitton tapped Stone last month as its new ambassador.
The fashionable duo was joined by many other big names at the event. Justin Timberlake, Andrew Garfield, Margot Robbie, Angelina Jolie and many other stars were in the house.
Click through our gallery for more winning style from this year’s event.
Emma Stone Looks Ethereal In Ladylike Louis Vuitton Gown, Named Brand Ambassador
You Can See Through Jennifer Lawrence’s Sheer Dior Dress in Flattering Places
Jennifer Lawrence Dresses Like Cinderella for ‘Mother!’ Premiere — No Glass Slipper Needed