World famous tennis star, Serena Williams has left her fans in shock after she posted a video of herself playing her favorite sport.
The tennis champion, who is currently on her third trimester, is seen playing tennis with gusto despite being heavily pregnant state.
This is not surprising considering the fact that Serena, who won her 23rd Grand Slam at the Australian Open in January, was roughly 8 weeks pregnant at the time
Many of her fans have showered praised on her and commended her efforts at trying to keep fit.
See video below: