It really takes me back to a time when people wore business casual clothing to the club.

The opening ceremony is an excellent opportunity to play E!

fashion critic and judge what every country wore for their opening ceremony outfits.

A large group of people in festive attire are on a boat cruising under a brightly lit bridge at night. They are waving flags and celebrating

This year, Mongolia had a cool fit.

South Sudan had another good one.

Those Team USA denim jeans piss me off everytime I see it

Especially the jeans.

Group in traditional attire holding flags in the rain near the Eiffel Tower during an event

Which…accurate," one person said.

Team USAs uniforms make them look like bullies from a very expensive private school.

this look like a 2010 club picturehttps://t.co/HqtyViFPWG

Not eveyrone hated it, though!

Group of people in matching patterned jackets wave small flags on a boat under a "Batobus Paris" sign

You want a really hot take?I like the Ralph Lauren Team USA outfits.Sorry, haters.

Some people thought it was cute.

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People waving American flags, many in matching outfits with white jackets and black pants, are celebrating, including one person holding a large U.S. flag

Three individuals wear matching berets, blazers, and jeans, posing energetically in a garden setting

Several individuals sit and talk, wearing matching casual outfits with white blazers, blue jeans, and white shoes. One person holds an American flag

Group of athletes, including Coco Gauff, wearing USA blazers with American flags on a boat, celebrating in a city with buildings and a bridge in the background