Serena Williams is exuding more confidence than ever. The tennis pro, 43, flaunted her figure in a lace lingerie look - that doubles as a swimsuit - while striking a pose on a balcony. Williams showed off her intimate look via Instagram on Monday, September 22, putting her curves on display. The one-piece featured a low-cut neckline adorned with lace, a fitted satin silhouette and micro shorts that had the same delicate embellishments. The Olympian, who recently got candid about her 31-pound weight loss using GLP-1 medication Ro, teamed the design with a coordinating robe.