Jessica Alba, Khloé Kardashian, and More Stars Share Photos of Their Kids' First Days of School

Finally, Jessie documented her 5-year-old son Forrest's first day of kindergarten on Aug. 18. "Forresty!! Our sweet baby boy is officially a kindergartener . . . and what a lucky duck he gets to see his bff cousin Brooklyn everyday 💙," she wrote. Decker shares her three kids with her husband, Eric Decker.