Serena Williams Serena Williams is a legendary tennis player, a GOAT, and a savvy businesswoman all in one. You could dress up as her just about any year, in our books. Here's how to replicate her US Open outfit for Halloween: Nike Womens Dri-Fit Fitness Workout T-Shirt ($19 — $62) Made By Johnny Women's Basic Skater Skirt, Aubergine ($10 — $13) Women's Ankle Socks ($10) Wilson Tour Slam Lite Tennis Racket ($25) Image Source: amazon.com Nike Womens Dri-Fit Fitness Workout T-Shirt $19 from amazon.com Buy Now Made By Johnny Women's Basic Skater Skirt, Aubergine $10 from amazon.com Buy Now Women's Ankle Socks $10 from amazon.com Buy Now Wilson Tour Slam Lite Tennis Racket $25 from amazon.com Buy Now