Odd Anderson/WPA Pool/Getty Images Serena Williams wore a pale pink Versace dress to Prince Harry and Meghan Markle's royal wedding service at St. George's Chapel. The tennis champion later changed into a floral Valentino dress before heading to Harry and Markle's nighttime reception at Frogmore House. In a relatable move, Williams finished the flirty, modern look with a pair of stylish black sneakers, which were also designed by Valentino's creative director Pierpaolo Piccioli. After attending Prince Harry and Meghan Markle's wedding ceremony, Serena Williams changed into something a bit more comfortable for the royal couple's intimate evening reception.