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, which marked a royal first.

Princess Kate participated in a beloved St. Patrick's Day tradition Monday after missing the event last year due to health issues. Kate attended the Irish Guards' annual St. Patrick's Day parade Monday in London, an event she's attended regularly since 2012, making her absence at last year's parade stand out.

Princess Kate was a welcome sight at the Irish Guard’s St. Patrick’s Day Parade today in London, marking her first attendance at the event since she announced her cancer diagnosis last spring.

The Prince and Princess of Wales enjoyed a date night at the Wales vs. England Six Nations rugby match on Saturday, March 15, and even though the couple took opposite sides during the game, they still showed off their sweet relationship.

Prince George, Princess Charlotte and Prince Louis are staying busy with sports every weekend, with Prince William and Kate Middleton revealing their weekends include going "from one competition to the next.

Prince George, Princess Charlotte and Prince Louis could be set to enjoy a fantastic trip with their parents in the near future to the other side of the world. While not confirmed, Princess Kate, 43, revealed today that she would like to take her children to two far away locations with her and her husband Prince William, 42.