A photo of the new couple garnered the most likes on the social media platform.

To accommodate all the debauchery, stars changed into more comfortable (read: shorter and sexier) outfits.

That's one easy way to get in on a theme.

Don't worry: Bella's attending with Alexander Wang.

"There's a sense of power injected into these clothes."

Former Ambassador to Japan Caroline Kennedy will also join the hosting committee as an honorary chair.