Nick Cannon may have his hands full with maternity shoots and gender reveals but the first day of school is also an exciting time in the media mogul’s life as a father. Cannon took to social media to express his delight as he announced the next chapter for his 5-year-old son Golden Sagon Cannon, who’s recently set off to the second grade. “Yesterday was the first day of 2ND GRADE for MR. GOLDEN CANNON!! (And he’s only 5 years old!!!),” Cannon wrote on Instagram. “Congratulations Champ!!” While posing for a photo in his uniform, the 5-year-old scholar was also holding a sign which reveals his proud achievements and his future plans. “First Day Of 2nd Grade,” the sign reads, also adding the boy’s age, the date, and his teacher’s name. To anyone who’s curious about the boy’s future plans, Golden wrote on his sign that he wants to be a scientist. Golden, born Feb. 21, 2017, is Cannon’s third child, his first with Brittany Bell . And although he’s quite smart, the TV host says that he...