“Time to unwind.”Jennifer Lopez attends Celia Kritharioti show during Paris Fashion Week Haute Couture Fall/Winter 2026/2027 on July 9, 2026 in Paris, France.Credit: Getty ImagesThe GistJennifer Lopez flaunted her toned midriff in a plunging sports bra on September 4.The “On the Floor” singer added a pair of matching leggings while posing for a mirror selfie.Lopez also shared a video of her trying on a tiny pink sequin minidress at a store.Jenni…