Meet the New Celebrity Babies of 2018

Avengers: Infinity War and Deadpool 2 star Josh Brolin and his wife, Kathryn Brolin, welcomed their first child together on Nov. 4. Kathryn posted a cute video of their new daughter on Instagram, saying, "Our family's newest (and tiniest) member. Westlyn Reign Brolin, I love you so much already. Nothing compares to this... My heart is totally different forever. @joshbrolin thanks for this little life of ours." Josh is already dad to two other children — Eden, 24, and Trevor, 30 — from his first marriage to actress Alice Adair.