With a photo collage of baby pictures, Nick Cannon (45) on social media remembered his late son Zen. On June 23rd, little Zen would have grown five years old – a day that the rapper and father of twelve children now celebrated as a heavenly birthday. In a moving post on Instagram, Nick wrote: "June 23rd will be a day of light forever! We change our pain into purpose! We celebrate the life of our young King Zen Scott Cannon!" He further reminded …