Prince William and Kate also met with local residents during a walkabout in the market town of Keswick, where the Duchess expressed her love for Britain's Lake District and revealed she enjoys taking her children Prince George, Princess Charlotte and Prince Louis to explore the rocky region.
"She said her children love coming here and walking in the fells. She told us how nice the Lake District was and how lucky we were to live so close to the mountains," 11-year-old Jack Mumberson told Daily Mail.
The royal couple played with a seven-month-old English Springer Spaniel called Prince Harry, named for the Duke of Sussex.
The pup, who's full title Prince Harry of Winterfells is an a ode to HBO's Game of Thrones, is a therapy dog designed to boost positivity and wellbeing in people who struggle with mental health.
Kate and William documented the day out on their official Kensington Palace Instagram account.
England's future King and Queen consort joined senior members of the royal family including Prince Philip and Prince Charles on the balcony of Buckingham Palace to watch the RAF flypast in celebration of Her Majesty Queen Elizabeth's 93rd year.
Meghan Markle took a break from maternity leave to return to the spotlight for the first time since introducing her and Prince Harry's first child, baby Archie Harrison, to the world with a photo call at St George's Hall in Windsor last month.
The Duchess of Sussex arrived in a carriage with Prince Harry, the Duchess of Cambridge and Camilla, Duchess of Cornwall but many royal commentators noted how uncomfortable the new mother looked, prompting renewed rumours of a royal rift inside the Palace.