A photo of tennis star Serena Williams is causing an internet frenzy. A photo posted to the tennis star's Snapchat made the internet speculating that she might be pregnant. But, the Snapchat photo was deleted on the same day on April 19. In December last, Serena got engaged to Reddit co-founder Alexis Ohanian. Williams has won the most Grand Slam titles ever in the Open era. A fan of Serena Williams said that she announced her pregnancy on Maria Sharapova's birthday.