Serena Williams Has Side-by-Side Tennis Training Session With Her Daughters in an Adorable New Video‎

She may have retired from tennis, but Serena Williams can never fully leave the sport behind. The 23-time Grand Slam champion shared a cool video of how she practices tennis side-by-side with her daughters Olympia, 8, and Adira, 2, and we could watch it on repeat all day. “Generational W̶e̶a̶l̶t̶h̶ Tennis,” the former Olympian, who …