(Does Felix's red plaid shirt look familiar?) I.N isn't the only one embracing the red tie look. BLACKPINK's Rosé is also a fan; she wore a Saint Laurent suit to The Kelly Clarkson Show in NYC ...

Set against a ruby-red backdrop ... Maybe, this could herald a new era of black-tie dressing: monochrome is in, unnecessary frills (yes, that goes for shirts too!) are out. Only time will tell ...