Meghan Markle celebrated International Day of the Girl on Friday, October 11, with Girls Inc. of Greater Santa Barbara, and the Duchess of Sussex was spotted wearing Princess Diana’s Cartier Tank Française gold watch at the gathering. Aside from wearing Diana’s accessory, Meghan’s appearance was aligned with her decades of women’s rights advocacy work and Archewell’s anti-cyberbullying initiatives. “In celebration of International Day of the Girl, The Archewell Foundation, Pivotal Ventures, and the Oprah Winfrey Charitable Foundation announced their contributions to support a partnership betw…