Brooklyn Beckham and Nicola Peltz have finally tied the knot at Nicola's father Nelson Peltz's $103 million (£76 million) Montsorrel estate in Palm Beach, Florida - and Brooklyn's little sister Harper Seven was the sweetest bridesmaid!SEE: Victoria Beckham looks incredible in unexpected mother-of-the-groom dressVictoria and David Beckham's youngest child Harper looked so sweet in a chic white dress as she danced on the lawn following her older brother's wedding reception. Photographs show the ten-year-old rocking a sweet puff-sleeved dress complete with a navy blue waist sash.WATCH: Brooklyn Beckham and Nicola Peltz's wedding - all the detailsStylish Harper teamed her elegant white dress with coordinating ballet pumps, adding a touch of sparkle with delicate pearl studs and a string of pearls round her wrist.Victoria's mini-me wore her sleek honey blonde hair in mermaid curls, which fell down past her shoulders in elegant ringlets.