Proud grandfather the Prince of Wales and Duchess of Cornwall did attend, along with the Duke and Duchess of Sussex who walked hand-in-hand.
Princess Charlotte has a reputation for being confident in front of the cameras that follow her and her family everywhere.
If the moniker sounds familiar, you should know that it previously belonged to the late Princess Diana.
Nevertheless, only time will tell.
Prince George and Princess Charlotte were not present on the balcony to watch the flyover, however they did watch the festivities from a window of Buckingham Palace, where their nanny Maria Teresa Borrallo kept a close eye on them.
Bank of Canada delivers another hike, key interest rate rises to 1.5%
The Bank of Canada raised its benchmark interest rate by 25 basis points to 1.50 per cent, the fourth hike since last summer. As in April, the projection incorporates an estimate of the impact of trade uncertainty on Canadian investment and exports.
Prince William-hand-in-hand with Princess Charlotte-can't help but hold back laughter. In April he underwent planned hip surgery, but attended the wedding of Prince Harry and Meghan Markle just a few weeks later, walking unaided.
From the duchess's side, Kate's parents Michael and Carole, brother James, pregnant sister Pippa and her husband James Matthews were there.
In April, she delighted fans when she accompanied her father and brother to the Lindo Wing to meet Prince Louis for the first time and began waving as soon as she stepped out of the family vehicle.
And William's first day at Jane Mynor's nursery school went went swimmingly, the young prince returning home with a finger mouse and his Postman Pat thermos.
The Duke and Duchess of Cambridge also announced their youngest son's godparents a few hours before the service.