Harper Beckham just rang in her sixth birthday with a party at Buckingham Palace fit for a princess.
On Monday, the toddler got the royal treatment, as she feted her big day at the British monarchy's headquarters with her friends—all clad in frilly dress—and IRL Princess Beatrice of York.
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"Our little birthday princess x Kisses," the designer captioned one epic shot, which shows the 6-year-old in a shimmery light blue Cinderella-esque gown, standing in the courtyard of the palace.
Harper's proud footballer dad also took to Instagram to share a few photos from the day, including a group shot of his daughter and her five friends posing with Princess Beatrice.
"Lucky Harper meeting a real life princess at the Palace x," he wrote.
He also posted a father-daughter shot of the pair outside of the palace: "Happy Birthday to our special little young lady ...Such a special girl who brings so much joy and happiness into our lives.. Happy 6th birthday ( I can't believe your 6 already ) have the most amazing day we love you pretty lady x," he captioned the sweet shot.
Looks like a birthday party for the books!