Tennis legend, Serena Williams, shared an inside look at what it's like to be a professional athlete and mom on Instagram.<br />On Friday she shared a picture of her and her 2-year-old daughter, Alexis Olympia Ohanian, Jr..<br />They were sitting in a car. She was holding her sleeping daughter in her arms.<br />Her caption included, "I am not sure who took this picture but Working and being a mom is not easy."<br />She added, "I am often exhausted, stressed, and then I go play a professional tennis match.
