Justin Timberlake Shares Rare & Cute Photos of Son Silas!

Justin Timberlake poses with his adorable five-month-old son Silas in this photo he shared during his appearance on The Tonight Show Starring Jimmy Fallon on Wednesday (September 9) in New York City.

The 34-year-old “Mirrors” entertainer and his wife Jessica Biel keep their life relatively private, but decided to share the cute pics of the little one on their pal Jimmy Fallon‘s show.

“It is the most insanely amazing, wonderful, unbelievable thing to ever happen to you,” Justin said of becoming a father.

He also revealed that Silas has said the word “dada”! Too cute!

In case you missed it, be sure to check out Justin and Jimmy‘s “History or Rap 6″ performance!