But don’t call it a comeback. Though it was declared out of style back in 2015, the 100-year-old workout has long been beloved by celebs. At the Met Gala earlier this year, Lori Harvey and Normani both stunned in cut-out gowns that framed their famously toned abs, and credited Pilates as the method to their six-pack madness. “Even two months later, people [still] say that they came to the studio to try Pilates because they heard that Lori Harvey does it,” says Club Pilates instructor Marlana Lacivita. And the hype is real: Studies have shown that, compared to resistance training, Pilates is more effective at improving core stability, strength in surrounding muscle groups, and increasing overall mobility, all while being gentle on the joints. Read More | 
