With the help of assistant Eyob Yohannes, Senofonte’s put out a call to designers, who sketched their ideas for Beyoncé to choose from.
Eventually it was designers including Givenchy, Roberto Cavalli, Gucci and Dsquared2 who made the cut.
When sifting through the finished product, it was a white Balmain number that stopped the Grammy-winner in her tracks.
"Wow, alright!" she exclaimed. "Somebody came through. That’s so pretty!"
In the video, Bey also tries on one of the oversized hats, as seen in the “Formation” video and that she wore to the CFDA Fashion Awards in June.
"Nowhere in the world do they make these hats," Senofonte told the singer. "This hat maker literally drove to Mexico to buy sombreros."