William wore a black turtleneck shirt and matching slacks with a green velvet blazer over top.

For her part, Kate stunned in a very familiar gown.

“If anyone ever says to me again “what is the point of the Royal Family?”

Prince William and Kate Middleton looking at each other

Inspiring,” one Twitter userwrote.

Great stuff from William and Kate.

Fine ambassadors for the U.K. too!

Prince William and Kate Middleton at an event in London.

“another fan stated.

Thanks for the leadership @KensingtonRoyal,” a third person commented viaTwitter.

“Well done to both William and Catherine, years of work put into this.