Nick Cannon is making a splash this summer with his sweet family. The dad of eight took to Instagram to share his fun-filled day with his 11-year-old twins, and eldest children, Moroccan and Monroe, at a water park in New Jersey. Cannon, who shares the twins with his ex-wife Mariah Carey, shut down the entire venue to spend some private quality time with his children. The "Wild n Out" star posted on Instagram Sunday, a video with the caption: "Waterpark to ourselves!!! It’s the Roc & Roe Takeover!!" Nick Cannon took to Instagram to share his fun-filled day with his 11-year-old twins, and eldest children, Moroccan and Monroe, at a water park in New Jersey.