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Kate Middleton is an annual visitor to Wimbledon's royal box.

The Duchess of Cambridge showed regal tennis skills hitting with kids at the National Tennis Centre in Roehampton today.

Watch: Pavlyuchenkova Stops Kerber

The 35-year-old princess joined British No. 1 Johanna Konta at the LTA's Tennis for Kids day, an initiative encouraging junior play in Great Britain.

The princess, who is pregnant with her third child and has been experiencing morning sickness in recent weeks, is an avid tennis player and fan.

Kate Middleton grew up playing tennis and has a court at her home. She looked like a natural on court joining kids in drills.

Duchess Kate impressed the juniors with her one-handed backhand.

Brilliant to welcome LTA Patron The Duchess of Cambridge to the National Tennis Centre to talk all things tennis! 🎾 pic.twitter.com/Dr2KP1L8l3

— British Tennis (@BritishTennis) October 31, 2017

The Duchess takes part in a #TennisForKids session, which saw 22,500 children introduced to tennis in 2017! 🎾👍 pic.twitter.com/WltbIJtOxT

— British Tennis (@BritishTennis) October 31, 2017

The Duchess showing her tennis skills as part of a @WeAreCoachCore training session 🎾👍 pic.twitter.com/FEero5w6z7

— British Tennis (@BritishTennis) October 31, 2017

The apprenticeship takes young people aged 16-24 & trains them to be sports coaches & positive role models & mentors in their communities. pic.twitter.com/t0TFXe8LbR

— Kensington Palace (@KensingtonRoyal) October 31, 2017

Coach Core Birmingham tennis apprentice Ellie & London graduate Andre swapping coaching tips with HRH! Another inspiring day for our teams. pic.twitter.com/qZlH3xtZdJ

— Coach Core (@WeAreCoachCore) October 31, 2017

Thank you @BritishTennis for an inspiring morning and good luck to everyone in their future tennis careers!🎾🏅 pic.twitter.com/sRXScCcC3C

— Kensington Palace (@KensingtonRoyal) October 31, 2017

Photo credit: @BritishTennis