The St. Patrick's Day Parade was attended by Prince William and Kate Middleton.

Kate wore a teal coat dress by Catherine Walker & Co. with a brooch, hat, and heels that matched.

The man and woman both wore shamrocks. William's was on his military hat.

They posed for photos with the Irish Guards and delivered speeches.

King Charles III gave Kate the title of honorary Colonel of the corps.

William had been in charge of the Welsh Guards before.

Kate said she would help the regiment.

William said that he was proud of the regiment and will keep an eye on them.

A pint of Guinness beer was consumed in celebration by the royals.