3. Maria Sharapova
Maria Sharapova, despite her retirement, remains a prominent tennis player. The former world number one is one of only ten women in history to have completed the “career Grand Slam.” It is the name of each of the four major tennis tournaments. She is also the only Russian player to do so, both male and female. Sharapova remains in the public eye, and she is still one of the world’s most famous tennis players.