To celebrate, we’ve collected eight of Charlotte’s cutest moments over the last three years.
1. The Duke and Duchess of Cambridge with Princess Charlotte and Prince George in the French Alps in March 2016.
2. Princess Charlotte attends children’s party for military families during a tour of Canada in September 2016.
3. Princess Charlotte and Duchess Catherine attend church on Christmas Day in Bucklebury, Berkshire in December 2016.
4. Princess Charlotte dressed as a flower girl for Pippa Middleton’s wedding in May 2017.
5. The royal family during the annual Trooping The Colour parade in June 2017.
6. Princess Charlotte and Duchess Catherine arrive in Warsaw, Poland in July 2017.
7.Princess Charlotte arrives with her parents and Prince George at Berlin Tegel Airport during an official visit to Poland and Germany in July 2017.
8. Princess Charlotte arrives at the Lindo Wing at St Mary's Hospital in April 2018.