It's the night the 'in' crowd get all dolled up and strut their stuff. Monday night's annual Met Ball is a bit like the Oscars of the fashion world - think high fashion, drama and one amazing celebrity-filled guest list.
But it appears not everyone is happy with the dress code for this year's ball, a fundraising gala for the benefit of the Metropolitan Museum of Art's Costume Institute.
And this year he won't be pushing any boundaries (or so he says) when he escorts actress Jessica Lange to the event. Jacobs added: "I think it will be black with white tie, as the dress code asks for. I'll be wearing Saint Laurent."
Other themes in the past have included 'Superheroes: Fashion and Fantasy'; 'Costumes of Royal India'; 'Dangerous Liaisons: Fashion and Furniture in the 18th Century'; and 'Punk Chaos to Couture', which was last years.
We can't wait to see this year's looks. Surely the 'Beyond Fashion' exhibition is going to mean bigger and better dresses than ever before.
Let's have a look at some of the craziest outfits we've seen on the Met Ball red carpet....
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