(Picture: PA)

Princess Kate Middleton has gone big on green for today’s Trooping the Colour.

The Princess of Wales, 41, wore a high-collared button-up dress adorned with a three-leaf clover broach and large beaded buttons, and a wide-brimmed hat in the same shade of green.

As for jewellery, she wore sapphire drop earrings that used to belong to Princess Diana.

She rode to the ceremony in a carriage with her three children and Queen Camilla while her husband Prince William rode on horseback.

(Picture: Tim Rooke/Shutterstock)

(Picture: Tim Rooke/Shutterstock)

(Picture: Tim Rooke/Shutterstock)

(Picture: Tim Rooke/Shutterstock)

(Picture: DANIEL LEAL/AFP via Getty Images)

(Picture: Tim Rooke/Shutterstock)

This special occasion marks the King’s official birthday, and involves His Majesty inspecting the Horse Guard troops at Whitehall and greeting the soldiers with a Royal salute.

It’s his first since he was crowned King.

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The Princess of Wales wore a high-collared button-up dress adorned with a three-leaf clover broach and large beaded buttons.