Coco Gauff is standing up to critics who call her out for caring about her on-court style. Source: Mike Stobe / Getty The 21-year-old opened up about her focus on fashion for match day, defending her decision to get glam for the US Open and other major tennis matches. "I plan my outfits for tournaments well in advance just because I like to know what I'm wearing," Gauff revealed in a Vogue Beauty Secrets video, adding that she's going to get her nails done "to match the outfit" she's set to wear in the 2025 US Open.