The 43-year-old took to Instagram on Sunday to share a heartfelt tribute to his and Alyssa Scott's son, who passed away at five months old after a battle with brain cancer the TV host/rapper wrote alongside a clip of Alyssa and their daughter Halo on the beach, "Zen's Light and presence shining over little miss Halo and Mommy and Daddy. What a beautiful day to remind us all that there is a higher power and God's Energy and frequency to keep us all going under his grace and mercy even in the midst of challenges."