The Princess of Wales and her daughter looked picture perfect in light blue as they shared a sweet mommy-daughter moment in one of the royal carriages.

The parade travels from Buckingham Palace down The Mall to Horse Guards Parade. Then, following tradition, Charles, Queen Camilla, 77, and other work members of the royal family stoof on the Buckingham Palace balcony to watch a flypast. As the family headed back inside Buckingham Palace, Prince Louis turned and gave the crowd one final wave.

The mother and daughter appeared at the annual event decked out in coordinated aquamarine outfits, with the Princess of Wales clad in a brightly colored coat-dress and matching hat, alongside 10-year-old Charlotte in a more muted, minty shade.

Kate Middleton and royal family unite at King Charles III's birthday parade, with the Princess of Wales wearing an ensemble reminiscent of late mother-in-law Princess Diana.

The Princess of Wales and Princess Charlotte had a stylish mother-daughter moment at the King's birthday parade. The 10 year old also wore a special accessory that was given to her by Queen Elizabeth.

Kate Middleton and Princess Charlotte had a mother-daughter matching moment at Trooping the Colour. See their outfits for King Charles' birthday parade.

In May, Princess Kate turned heads when she stepped out in Scotland with a new, lighter colour and longer hair than she usually has. It was an instant hit, as usual, and her ‘bronde’ shade officially became the must-have hair colour of the summer.

Dozens of items from the former Princess of Wales’ wardrobe — including dresses, hats, handbags and shoes — feature in the “largest collection” of the late royal’s fashion to go under the hammer.

The daughter of Prince William and Kate Middleton sported an adorable accessory in honor of her late great-grandmother to Saturday’s event in London.

The Princess of Wales was beaming as she attended the event alongside Prince George, Princess Charlotte and Prince Louis

EXCLUSIVE: Even though Queen Camilla is King Charles's greatest support, he relies on two other royal women for an interesting reason.