Taylor Swift and Haim's Post-Met Gala Slumber Party Had a Very Strict Dress Code

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Taylor Swift and the sisters Haim turn down just as easily as they turn up. After last night's Met Ball, which Swift co-chaired, they went to the after party at The Standard Hotel. And after the after party, they went to their own after party, a slumber party.

The dress code was strict; only animal-based onesies were permitted. No more Louis Vuitton robot fit-and-flare for Swift. No more goth angel Rodarte for Haims.

See before:

MET GALA @taylorswift

A photo posted by Este haim (@estehaim) on May 3, 2016 at 1:23pm PDT

And after:

After the after party is.. Well.. This. @haimtheband

A photo posted by Taylor Swift (@taylorswift) on May 3, 2016 at 3:41pm PDT

With celebs fancy as this being so "stars! They're just like us! Pizza? W O W!,"  Anna Wintour may as well consider Animal Onesies: Sartorial Irreverence in the Internet Age for next year's Met Ball theme.