Prince Harry and Meghan Markle are senior royals, but as non-working members, are not allowed to use their royal styles and titles in public. This didn’t stop the Duchess of Sussex from “sounding like a full-on princess” next to her Duke during a speech about mental health at an Abuja, Nigeria, school. “I see myself in all of you. It is a complete honor to have our first visit to Nigeria,” the Suits star said on behalf of the Montecito pair. The duo are in the African nation on behalf of the nation’s government but are taking measures to ensure locations connected to their foundation are highl…