No caption, just magic! Serena Williams shared a selfie with her two-year-old daughter Alexis Olympia and melted hearts all across the Internet. The 38-year-old tennis champion and the mini social media maven were the perfect mommy-daughter duo as they posed for the camera. Making the picture even better, the duo look exactly alike. Little Olympia is the spitting image of her mommy as she rocks a light denim jacket and makes the same face for the camera.