The late Queen's great-granddaughter Isla Phillips celebrates her 12th birthday on 29 March.
Isla, who is 20th in line to the British throne, is the younger daughter of Peter and Autumn Phillips and one of Princess Anne's five beloved grandchildren.
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She has one sibling, her older sister Savannah, age 13 – there is just a year and three months between the girls and we often see them having fun together at sporting events with their family.
Take a look back at some of Isla's sweetest photos so far...
Baby Isla, 2012
Aw just look how cute Isla was as a baby! Mum Autumn carries her little girl at the Golden Metropolitan Polo Club Charity Cup polo match back in June 2012.
Toddler Isla, 2013
A very sweet toddler Isla running around with her older sister here at the Gatcombe Horse Trials at Gatcombe Park, Stroud, in September 2013.
Horsing around, 2015
Isla plays chase with her relative Lady Louise Windsor at the Royal Windsor Horse Show in May 2015. What a pretty dress!
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Dad and daughter, 2016
Dad Peter gave Isla a lift on his shoulders when they attended the Gatcombe Horse Trials back in March 2016.
Snack time, 2017
Isla and her cousin Mia, daughter of Zara Tindall, grab a bite to eat together at an equestrian event in March 2017.
Family fun, 2018
It's a formal royal event for Isla at the 2018 Trooping the Colour parade in London. Here the young royal looks out from the balcony of Buckingham Palace.
It's playtime, 2018
Isla hangs out with her sister and cousin Prince George at the Maserati Royal Charity Polo Trophy at the Beaufort Polo Club in June 2018. We loved her cool jumpsuit.
Wedding bells, 2018
The young royal made the sweetest flower girl at the wedding of Princess Eugenie and Jack Brooksbank in October 2018. Isla was joined by Princess Charlotte, her sister Savannah, Maud Windsor, Theodora Williams and Mia Tindall.
Sister bonding time, 2019
Isla gets a piggyback from her big sister at the 2019 Festival of British Eventing at Gatcombe Park. Looks like they had a fun time!
Trooping the Colour, 2019
It's a family affair at Trooping the Colour in June 2019 for the late Queen's birthday parade. Isla looks amazed!
More Isla
Serious moments, 2022
Isla follows the example of her big sister Savannah at the memorial service for The Duke of Edinburgh at Westminster Abbey in March 2022.
A private joke, 2022
It's father-daughter bonding time for Isla and her dad Peter, smartly dressed for the Christmas Day service at Sandringham in 2022.
Coronation time, 2023
Grown-up conversations with Prime Minister Rishi Sunak in the Royal Box at the Windsor Castle Concert celebrating the coronation of King Charles III.
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