Nick Cannon and Abby De La Rosa are sharing a health update on one of their kids.

Their 2-year-old son Zillion was recently diagnosed with autism spectrum disorder (ASD), a developmental condition the can affect social communication and learning behaviors, according to duo. Acknowledging World Autism Awareness Day on April 2, Nick and Abby—who also share Zillion's twin brother Zion and 16-month-old baby girl Beautiful—wrote on Instagram, "Our beautiful boy experiences life in 4D and teaches us something new everyday!"