Tyra Banks is turning 50 on December 4, and she’s revealed her effortless secret to maintaining a youthful appearance: embracing natural weight gain. Speaking candidly to DailyMail.com at the Como 1907 charity gala in Italy, Tyra shared how having “extra weight” has kept her face looking “nice and juicy naturally,” negating the need for Botox or other cosmetic procedures. “I …