News Nick and Vanessa Lachey's Adorable Son Camden Starts Preschool -- See the Cute Pic! By Jennifer Drysdale 5:22 PM PDT, September 7, 2016 Getty Images Camden Lachey is growing up! The 4-year-old son of Nick and Vanessa Lachey started his first day of preschool on Wednesday, and looked like a total rockstar doing it! WATCH: EXCLUSIVE: Nick Lachey's Son Is Not a Fan of His Music! 'Daddy, Stop Singing'Vanessa took to Instagram to commemorate the occasion with one adorable pic of Camden all geared up and ready to go. "#RockOn Preschool! Love you, Buddy! ?," Vanessa captioned the cute snap. View this post on InstagramA post shared by Vanessa Lachey (@vanessalachey)Camden and his little sister, Brooklyn, have been the stars of several of the former TRL host's latest Instagram snaps -- and who can blame her?The two stole the show at the Lachey family vacation: RELATED: Nick and Vanessa Lachey Share Family Photo! How Cute Is Baby Brooklyn?!Got all jazzed up for memorial day: And gave their dad the sweetest sibling sandwich: View this post on InstagramA post shared by Vanessa Lachey (@vanessalachey) RELATED: Nick and Vanessa Lachey Celebrate Their Birthdays With an Adorable Kiss!And who can forget the Lacheys’ latest adorable Instagram post, announcing baby No. 3?See more on their clever announcement in the video below.Nick and Vanessa Lachey Are Expecting Baby No. 3 - -See The Cute Announcement! This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page.