Serena Williams looks sexy and strong on her new magazine cover

Serena Williams’s sleek black catsuit may have made waves at the French Open on Tuesday, but on Wednesday, it’s all about her sexy black leotard, folks. The tennis champion — who just won her first Grand Slam match since giving birth to daughter Alexis Olympia Ohanian Jr. last September — is unleashing her fierce mama spirit on the July cover of Harper’s Bazaar U.K.