Brian Littrell's Grown-Up Son Will Make You Smile (and Then Feel Really Old)

Brian Littrell had an adorable night out with his 13-year-old son, Baylee, at the Knicks game in New York City on Wednesday. The father-son duo was all smiles as they cracked each other up and talked closely during the game. This isn't the first time we've seen a glimpse of Brian and Baylee's sweet bond. The Backstreet Boys singer has shared numerous snaps of his lovely family life with Baylee and his wife, Leighanne, on social media over the years. Keep reading to see more of Brian's night out with his son, and then check out Neil Patrick Harris becoming an honorary Backstreet Boy.