Julia Roberts Opens Up About Life With Rare Birthday Post

Julia Roberts just marked a major milestone, and gave fans a rare glimpse into her family life. 

The actress shared a throwback photo of her youngest son, Henry, to celebrate his 18th birthday on June 18, calling him a "beacon of a boy" and her "golden boy" in a heartfelt Instagram post.

Roberts, 57, tends to keep her family life private, so the post—featuring a young Henry in a green hoodie staring straight at the camera—stood out. 

"In the blink of a joyful eye this beacon...