LONDON — Few independent designers left a mark as remarkable as Robert Wun did at this year’s Met Gala red carpet, dressing a total of eight guests, including Blackpink member Lisa, Beyoncé Knowles-Carter inside the venue, tennis star Naomi Osaka; producer Jordan Roth; Indian businesswoman Ananya Birla; “K-pop Demon Hunter” singer Audrey Nuna; salmon fish farming heir Gustav Magnar Witzøe, and Thai editor and luxury brand consultant Nichapat Suphap. “The management of dressing all of them wasn’t particularly challenging. I was expecting the worst,” Wun told WWD in an exclusive interview the following day of the fashion fundraiser for the Met’s Costume Institute. You May Also Like The London-based designer, originally from Hong Kong, who shows on the Haute Couture calendar in Paris, said most of his clients got in touch months ahead of time, leaving him enough time to accommodate each of their needs. “Logistically, it wasn’t as bad as I thought, but it’s still challenging.…