Kate Middleton has been a fan of tennis for quite some time, she's made multiple appearances in Wimbledon's Royal Box and participated in the Men's final trophy ceremony this year.

But now, Middleton has been seen hitting the courts at the exlcusive Hurlingham club in Fulham. The Duchess of Cambridge is taking private lessons but on occasion Prince William joins in.

Kate Middleton presents the Wimbledon winner's trophy to Novak Djokovic in 2019.

Kate Middleton presents the Wimbledon winner's trophy to Novak Djokovic in 2019.

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Kate sometimes brings their three kids and while she serves up aces they play outside in the playground.

Kate has mentioned previously that even when she was pregnant with her youngest son Louis, she still found time to get on the court. The royal couple even have their own private court in their Norfolk, Anmer Hall home.

“She hits the ball with nice top spin," said a source to PEOPLE. Who knows, if she keeps it up we could see her on the court instead of the crowd next Wimbledon.