The shirtless suiting trend has landed on red carpets thanks to Harry Styles, Barry Keoghan and BTS’ Jimin (opens in new tab)

It may not be summer in the US yet, but some of the best-dressed men in Hollywood are already ditching their shirts. As the rules of red carpet tailoring continue to loosen, from more relaxed takes on black tie to the floppy ribbon bows recently seen under the collars of Paul Mescal and Cillian Murphy, stylish A-listers are opting to wear their blazers with nothing underneath, turning bare skin into one of the season’s hottest menswear trends. This year’s Vanity Fair Oscar Party, long one of...