Princess Beatrice turned 31 on Thursday, and her family members took to social media to celebrate!
WATCH: Princess Eugenie describes her relationship with Princess Beatrice
Taking to Instagram, Beatrice's younger sister - Princess Eugenie - posted a sweet tribute to 'Beabea'.
"You have been bossing it since before I was born and continue to be the most wonderful person, friend and big sister… Happy Birthday to you Beabea!! Xx."
The series of never-before-seen family photos show both throwback pics of the young royals with their mum Fergie, as well as some sweet selfies of the sisters.
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Parents Sarah Ferguson and Prince Andrew also wished Beatrice a happy birthday on Instagram.
"Happy Birthday dearest Beatrice," mum Sarah wrote.
Milly HaddrickMilly is a journalist who passionately devours all the latest and juiciest news. A devout tea enthusiast who's a firm believer in quality downtime, Milly's weekends are usually spent relaxing with a big plate of food, a nice cuppa and the crossword.