King Harris is embracing fatherhood with gratitude! The 21-year-old penned a sweet message for his son King Jr., celebrating his first birthday. Harris and his family, including his son's mother, J'Nijah 'Nana' Epps, and his parents, T.I. and Tiny, also traveled to Disney to mark the occasion. Alongside photos and videos from the last year, King also opened up about growing from a "boy to a man" after welcoming his son!RELATED: Style Check! King Harris Shows Off His Son KJ's New Look & The TL Is Swooning (VIDEO)King Harris Reflects On His Son's Impact On His Life On Wednesday (November 5), Kin...