News Serena Williams Has Wasted No Time Getting Back in Shape By Camryn Rabideau Camryn Rabideau Camryn Rabideau is a Rhode Island-based writer and product reviewer. She covers all things celebrities and awards. InStyle's editorial guidelines Updated on September 17, 2017 @ 04:45PM Pin Share Tweet Email We really shouldn't be surprised that a serious athlete like Serena Williams is quick to get back in shape after having a baby. But in just two weeks?! That's crazy! The 35-year-old professional tennis player and her fiancé, Alexis Ohanian, gave birth to their first child, Alexis Olympia, on Sept. 1, and it appears that Williams has wasted no time in getting back to the gym. The highly decorated tennis star posted to Snapchat to show off her progress, already fitting back into her pre-pregnancy clothes. We're seriously impressed! In the mirror selfie, Williams poses in a pair of shorts, captioning the image: "Back in my jean shorts 2 weeks..." serenawilliams / Instagram Williams's quick recovery was undeniably aided by the fact that she kept up her exercise regimen while pregnant. "I intend to keep exercising for as long as possible while pregnant," she told The Telegraph back in August. "I want the baby to be healthy and for that you need a healthy life." Serena Williams's Daughter Is Already Flexing Like Mom Next thing you know, Williams will be back on the court, ready to win her next title!