Prince Harry and Meghan Markle had quite the weekend, but theyre already heading back to work.

Just three days after the royal wedding , the new Duke and Duchess of Sussex stepped out at a garden party at Buckingham Palace on Tuesday for Prince Charles 70th birthday patronage celebrations. Its the twos first engagement as a married couple.

Markle wore a gorgeous rose-colored silk crepe dress from Goat (one of the Duchess of Cambridges favorite brands ) that retails for about $690 .

She paired the dress with $450 Siren heels from Tamara Mellon in blush, an oyster silk clutch from Wilbur and Gussie and a hat by Philip Treacy. Meanwhile, Harry looked sharp in his morning dress and carried an umbrella.