This is a royal treat!

Celebrations to celebrate the Platinum Jubilee Queen Elizabeth II‘s 70 years on the U.K. throne, continue for the fourth and final day and for Prince George, 8, Princess Charlotte7 and Prince LouisThat’s 4! It means cupcakes! They had a great time bonding with their mom. Kate Middleton as she helped them baked sweet treats for the local community in Cardiff, Wales, to enjoy at a Platinum Jubilee street party taking place June 5.

Kate, George and Charlotte, as well as their dad. Prince William visited Cardiff Castle a day earlier, before heading to the Platinum Party at the Palace, an outdoor, star-studded concert outside Buckingham Palace in London, featuring the likes of Adam Lambert and Queen, Diana Ross, Rod Stewart, Lin-Manuel Miranda and the London casts of hit musicals such as Hamilton The Lion King.

On June 5, the Duke Duchess of Cambridge brought all three of their kids to the Platinum Pageant in London.