Scroll to see all the best photos of Princess Kate ... and she wore it below the royal family's golden Irish Guards Brooch, which is shaped like a shamrock. It's a special year for the Irish ...

Ensuring its security are the Royal Guards, who protect the palace while representing its heritage to visitors from around ...

Kate Middleton assumed the role after marrying into the royal family, dutifully doling out clovers to the Guards and their adorable ... and shamrock brooch. Here, photos from every St.