Blac Chyna, Angelina Jolie, and More Celebrities Share Photos of Their Kids' First Days of School

Cannon celebrated his son Golden, who he shares with Brittany Bell, on his first day of second grade. "Yesterday was the first day of 2ND GRADE for MR. GOLDEN CANNON!! (And he's only 5 years old!!!)" he wrote on Aug. 30. "Congratulations Champ!! I can't take none of the credit though! He gets his genius from his Mamma!"