The delightful two-year-old, who obediently sat on her father David Beckham's lap, was the centre of attention before the fashion show started. Harper looked sweet in a summery dress and sported a top bun, winning a smile from American Vogue editor Anna Wintour, who was seated next to the football legend.
"All eyes on Baby Harper at #SS14 Victoria Beckham #NYFW x vb," tweeted the proud mother-of-four.
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Victoria, 39, stepped out at the end of the show looking chic and sleek in a white blouse and cropped black trousers. She completed her look with statement black heels and looked relaxed as she posed in front of her audience, hands in her pockets, and hair worn loose.
Throughout the day, Victoria kept her fans updated on the show's progress, posting photos from the catwalk and backstage. The meticulous fashionista made sure everything would go to plan, tweeting about details from the lighting to the set.
"Do not get my show floor dirty!! x vb #SS14 #NYFW ," wrote Victoria, alongside a snapshot of presumably her own feet wrapped in plastic covers.
The designer posted a string of tweets and images to show her excitement, including, "We r here!! 1 hour to go! x vb #SS14 #NYFW," followed by "5 more minutes! x vb #SS14 #NYFW."
Victoria explained the inspiration behind her collection in one post, saying she had wanted to merge masculine and feminine elements.
"I have set boyish elements against a sense of femininity that is manifested through the use of lines, waves and textured overlays," she wrote. "What became most important to me was to convey a feeling of balance across the collection."
Victoria and her daughter touched down in New York earlier this week to get preparations started for the annual fashion event.