May 2 (UPI) -- Princess Charlotte is celebrating her third birthday.
Kensington Palace marked the occasion Wednesday by sharing a throwback photo of the British royal on Twitter. Charlotte is the daughter of Prince William and Kate Middleton.
The adorable picture shows Charlotte wearing a red coat, shoes and bow with a pink scarf and backpack. Middleton, the Duchess of Cambridge, took the photo on Charlotte's first day of nursery school.
"Wishing a happy third birthday to Princess Charlotte - thank you all for your lovely messages!" Kensington Palace captioned the post.
Wishing a happy third birthday to Princess Charlotte – thank you all for your lovely messages! pic.twitter.com/IpLwFXveHp
— Kensington Palace (@KensingtonRoyal) May 2, 2018
The Westminster Abbey official Twitter account said the church was ringing its bells in honor of Charlotte's birthday.
"Shame it's raining but we're ringing the bells to mark the birthday of HRH Princess Charlotte of Cambridge," the account said.
Shame it’s raining but we’re ringing the bells to mark the birthday of HRH Princess Charlotte of Cambridge. pic.twitter.com/XNQeeYqgMU
— Westminster Abbey (@wabbey) May 2, 2018
Charlotte's birthday comes just three days after William and Middleton's seventh wedding anniversary. The couple also share two sons, 4-year-old Prince George and Prince Louis, who was born April 23.