"I think it's a case of someone who is 'socially accepted' making something that's been present for so long trendy. Sofia Richie definitely didn't invent or pioneer anything, she is just wealthy ...
It's still a fancy affair, but gentlemen, you can skip the tux and opt for a dark suit (though a tuxedo is still a nice touch!). Girlies, you're welcome to wear a floor-length gown or a chic ...