By Mollie Quirk Meghan Markle made a rare public appearance today, with the Duchess of Sussex speaking at the South by Southwest Festival’s opening keynote event. The mother-of-two looked incredibly chic in a cream ensemble as she appeared on-stage at SXSW, with her taking part in the Breaking Barriers, Shaping Narratives: How Women Lead On and Off the Screen talk. Meghan was joined by journalist Katie Couric, actress Brooke Shields and diversity equity and inclusion consultant at Peoplism, Nancy Wang Yuen, with the women discussing “how the ubiquitous nature of social media is creating an oft…