Williams has said that it remains one of her favorite outfits of all time .
That was the case for Williams at Flushing Meadows after she donned the tight , black Puma outfit that she helped design .
Williams has said that it remains one of Williams ' favorite outfits of all time .
That was the case for Williams at Flushing Meadows after she donned the tight , black Puma outfit that she helped design .