Victoria Beckham Thrilled About Her Newest Customer

NEW YORK - SEPTEMBER 10: Victoria Beckham attends the Bergdorf Goodman celebration of Fashion's Night Out at Bergdorf Goodman on September 10, 2010 in New York City. (Photo by Jamie McCarthy/Getty Images for Bergdorf Goodman) *** Local Caption *** Victoria Beckham Photo: Splash News/?

The designer on Beyoncé wearing one of her dresses: “I was very excited when I saw it online. I screamed, and said, 'Look, David, look!' She was one hot mama, for sure."