Martha Stewart can now add paparazzi to her already impressive resume! On Sunday, September 8, the famous cook took to Instagram with a hilarious post highlighting her experience at the U.S. Open men’s final in Queens, New York. “Just left the @USOpen where the tennis was really good but we were disappointed that our young American [Taylor] Fritz lost to a superior and even younger Italian player [Jannik] Sinner,” Stewart’s caption began. “Lots of celebrities peppered the stands and boxes. Take a look!!!” she concluded alongside several zoomed-in photos of various stars at the sporting event —…