Prince William arranged a few surprises, including family video calls and a small party at the home.

In fact, he’s typically the one to make and serve tea to visitors.

a friend of Middleton’s toldPeoplein December.

Kate Middleton smiling, scarf

“It’s a lovely, welcoming house, not a fancy, stuffy palace in any way.”

The couple shared their own Instagrampost, thanking well-wishers and expressing their gratitude to frontline workers.

“Thank you for your kind wishes on The Duchess' birthday,” the post read.

Kate Middleton, Prince William with kids, smiling