Guests have given royal fans a sneak peek inside Lady Gabriella Windsor and Thomas Kingston's plush wedding.
The couple tied the knot at St George's Chapel - the same venue where Prince Harry and Meghan Markle had their wedding almost a year ago.
They were pictured cutting their huge eight-tiered wedding cake with a sword moments after Lady Gabriella gave a heartfelt speech about family to emotional guests.
Photos from the ceremony show Brazilian royalty posing inside Windsor Castle as guests chatted amongst themselves.
João Philippe de Orleans and Braganza shared pictures at the wedding reception, which appeared to be held in an industrial style venue with exposed metal beams and brickwork.
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The venue was decorated with pink lights projected onto the white walls, disco balls and small trees.
There seemed to be plenty of booze flowing as well as scores of empty glasses could be seen on tables in the background.
Their stunning wedding cake was made up of three different flavours, including fruit cake, Victoria sponge and lemon Limoncello sponge.
Fiona Cairns - who also made Kate and William's wedding cake - shared a picture of the newlyweds cutting the cake on Instagram .
She wrote: "The beautiful bride Lady Gabriella Windsor and her husband Mr Tom Kingston cutting their Fiona Cairns wedding cake at Frogmore House yesterday.
"We were so honoured to make this royal wedding cake and be part of such a special day."
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Queen Elizabeth and Prince Philip attended the royal wedding celebrations along with the Duke of Sussex.
The Duchess of Sussex and her new baby Archie Harrison Mountbatten-Windsor were not seen at the Windsor Castle ceremony.
Ballet dancer Fernando Montano, who is a close friend of Lady Gabriella, shared a snippet of her speech alongside a series of photos inside the celebrations.
Dressed in a stunning blush pink Luisa Beccaria gown, she told the crowd: "Thank you so much for making all of this possible, both at beautiful St Georges Chapel and here at Frogmore - a place so filled with charm and history throughout the house and its enchanted gardens.
"It is particularly meaningful to me as my grandparents, who I never had a chance to meet, are buried here."
Mr Montano also shared a snap of Pippa Middleton chatting with the bride inside a marque and a selfie of him travelling to the venue.
He shared the videos and pictures on his Instagram story, and told followers: "Yesterday was really, really nice to see my friend looking so beautiful and elegant and happy with Tom.
"It was a beautiful experience for me as well."
He shared a snap of himself with the beautiful bride in a separate post, writing: "It was great to see my dear friend so happy and beautiful on her special day."
He also posed with businesswoman Laura Riascos, who founded La Hechicera Rum and shared pictures of the bride and bridesmaids getting ready for photos and also a crowd of guests, waiting outside Windsor Castle.
João Philippe de Orleans and Braganza and wife Claudia Melli de Orleans e Bra shared a series of pictures from inside the celebrations.
They posed with a clearly overjoyed Lady Gabriella and also shared a photo showing a marquee in the grounds of the castle.
Gabriella's cousin Flora Alexandra Ogilvy shared a photo of the couple cutting the cake, writing: "My wildly beautiful cousin Ella married her beloved Tom today and it was a heavenly wedding.
"O Tell Me The Truth About Love by W.H Auden came close to capturing the immeasurable joy of the last few hours."
Pals Zenouska Mowatt and Flora Ogilvy were also pictured in beautifully bright gowns on the day.
