Naomi Campbell with James Mischka, left, and Mark Badgley at the closing of their show. New York Fashion Week, September 2014 Naomi Campbell with James Mischka, left, and Mark Badgley at the closing of their show. New York Fashion Week, September 2014 Associated Press Images

Naomi Campbell and friends help three designers celebrate their 25th Fashion Weeks

New York Fashion Week was brought to an emotional conclusion with American designers Badgley Mischka, Carmen Marc Valvo and Zang Toi celebrating their quadranscentennial's on the catwalk.

Carmen Marc Valvo ss15First up was Carmen Marc Valvo who debuted his 25th anniversary collection on the 5th September. Simply entitled "Twenty-Five." The Parsons School of Design graduate who honed his skills at Nina Ricci and Christian Dior paid homage the classic garden as he sent his models, draped in ethereal florals, shimmering lace and delicately interwoven mesh, down the catwalk. Re-imagining his iconic silhouettes for the Millennials while staying true to his loyal clientele, Valvo continued to show that he truly has his fingers on the pulse of his audience. Sexy without being overt and classic without being boring, the "Twenty-Five" collection is encapsulates Carmen Marc Valvo in all his elegance and finesse.

The Badgley Mischka 25th Anniversary collection, which was shown on the morning of the 9th September, is a testament to Mark Badgley and James Mischka's prowess in designing evening gowns. Showcasing their Cinderella-inspired frocks, the design duo emphasized the waist, and looked to enhance one's delicate feminine features, a key look to emerge from New York this season. Naomi Campbell, who walked on Badgley Mischka's first ever show 25 years ago stepped out with Mark and James when they took their bow. Silver balloons dropped from the ceiling and their 25th anniversary cake took centre stage.Carmen Marc Valvo

Carrying on the celebrations is Asian American designer Zang Toi. A graduate of Parsons School of Design, Malaysian-born Zang Toi paid homage to the "American Dream" with his silver anniversary collection. Speaking backstage, an emotional Zang Toi expressed his gratitude: "thank you America for allowing me to live the American Dream. This one's for you." Known for dressing the well-heeled ladies from New York's Fifth Avenue to Highland Park in Chicago and its namesake in Dallas, all the way to San Francisco's Pacific Heights, Zang Toi creates made-to-measure clothing that is nearer to haute couture than ready-to-wear.

Zang Toi's 25th anniversary spectacular didn't disappoint, as always, the collection is intended to be lady's full wardrobe, Toi dressing her from morning till night. Offering twin-sets and LBDs for day and sumptuous hand-embroidered and beaded gowns by night. The audience gave Zang Toi a standing ovation when he took his final bow. A 25th anniversary cake from the photographers, brought tears to the audience's eyes, the pit's gift to Zang Toi who has been mindful of the photographer's contribution to fashion week since his first show.

   Zang Toi, at the end of his show, titled "A Privileged Life: The American Dream", with photographer Richard Renda, who surprised him with an anniversary cake to mark the occasion.

These three designers might not be the triumvirate that defines American fashion, and they arguably cater for very different audiences, but they are true purveyors of luxury American fashion in their own right. And together, they have 75 years in fashion, turning their silver years into diamond ones.

Read more: Latest from SS15 Fashion Week