Jada Pinkett Smith is wishing her husband Will Smith a happy birthday. To celebrate Will’s 55th birthday Monday, Jada, 52, took to Instagram to share a throwback black-and-white family photo showing the longtime couple with Will’s oldest son Trey, as well as the couple’s two children Jaden and Willow. Will shares Trey, 30, with his ex-wife Sheree Zampino. “Willard✨ I …