Catsuits got a big endorsement at Saint Laurent-almost half the looks in the spring show were second-skin one-pieces that seem to flatter in just the right places. Will they be fashion’s next biggest trend? The catsuit is a glamorous level up from our pandemic favorite unitard and requires minimal styling, according to chic street stylers around the world. Neon or neutral, printed or plain, it makes for an effortless but high-impact look.