This is a photo collection curated by AP photo editors.

Kate Middleton is back in action at the St. Patrick's Day Parade with the Irish Guards! See the best photos from her day out, ...

The Princess of Wales spoke about her husband Prince William's beard during an engagement. Find out what Catherine said.

Princess Kate attended a St. Patrick's Day parade on Monday, joining the Irish Guards for the first time in two years, ...

A new style strategy for the Princess of Wales ? This is the start of Kate 2.0 for the queen-in-waiting as she enters her ...

The Princess of Wales is attending the St Patrick's Day parade this morning and chose the perfect outfit for the occasion.

I was so distracted by Kate Middleton’s new hairstyle on St. Patrick’s Day that I nearly missed this stunning portrait. Today ...

Hundreds of thousands of people have packed the streets of Dublin to watch Ireland’s national St. Patrick’s Day parade.

Princess Kate marked St Patrick’s Day with a half pint of Guinness, shamrocks and smiles during a visit to the Irish Guards’ ...

Catherine, Princess of Wales, has taken part in celebrations with the Irish Guards for St Patrick's Day. WATCH.

Kate Middleton attended the traditional parade consecutively beginning in 2012, which made her absence at the festival last ...