Musician FKA Twigs attended last night's big 2015 Met Gala with a clothed man on her arm and a naked man on her dress.

Can you spot it? (Via Getty Images)

This is a big deal in two ways, as it's reportedly the first time the British singer showed up at a fancy red carpet event with Robert Pattinson, a human vampire, and also you can totally see a cartoon penis on that dress, designed by Christoper Kane. (Look closely at her leg—you found Waldo.)

Yep, that's the one. (Via Getty Images)

So, who wore it best: FKA Twigs or Robert Pattinson?

Sources: Perez Hilton | Getty Images