Princess Charlotte debuted her balcony wave on Saturday.
The 1-year-old princess joined her 3-year-old brother, Prince George, and her parents, Prince William and Duchess Kate, on the balcony of Buckingham Palace.
The family celebrated Queen Elizabeth II's 90th birthday and took their spots on the balcony to wave at the crowd of well-wishers on the ground.
Prince George wore a short-sleeved button-down white shirt with blue piping, while Princess Charlotte wore an adorable light pink dress with a matching bow in her hair.
Queen Elizabeth II, meanwhile, went for something a little more attention-grabbing in a lime green ensemble.