Baby diamond bathtub worth $5000 New York - Arabstoday   If there ever was an infant truly impossible to shop for, it’s the child who will be born to Beyonce and Jay-Z, the highest-earning couple in show business? And what baby gift do you buy for that friend after you reveal to the world her most closely guarded secret, the gender of her unborn child? If you are Kelly Rowland, you buy a bathtub. Not just any bathtub, but a very expensive, Swarovski-crystal studded Baby Diamond Bathtub worth $5,200.  And you give it to your best friend, Beyonce. The “Best Thing I Never Had” singer reportedly received the gift from Rowland, her former Destiny’s Child bandmate, in anticipation of the bundle-of-joy she’s expecting this February with husband Jay-Z. Rowland famously let the gender secret the couple had been closely guarding slip when talking to reporters at the Cosmopolitan Awards in London earlier this month. “I have no idea what I’m going to buy Beyonce at the baby shower because Jay is going to buy that little girl every single thing possible\".