Prince Charles' message read: "Wishing everyone a very Happy Father's Day!"
Prince Charles, the heir to the British throne, delighted royal fans with an adorable photo of his sons Prince William and Harry on Father's Day.
Clarence House posted Prince Charles' message on Instagram and Twitter handles simultaneously.
The photos also included the late Prince Philip and Camilla along with her father Bruce Shand on his return.
In the third picture of the series, Prince Charles can be seen enjoying quality time in the garden with William and Harry.
Prince Charles' message read: "Wishing everyone a very Happy Father's Day!"
Earlier, Prince William also shared an adorable picture on Instagram with his three kids Prince George, Princess Charlotte and Prince Louis to wish every father and grandfather a happy Father's Day.
"Happy Father's Day to dads and grandpas around the world today!" said Prince William.
Prince Harry has yet to share his message on Father's Day.