Jimmy Kimmel revealed that his son Billy had undergone his third open-heart surgery in an emotional Instagram post in May ...

"Walking around this hospital," Jimmy Kimmel wrote on Instagram last year, "meeting parents at their most vulnerable, children in pain and the miracle workers who do everything in their ...

Jimmy Kimmel's heart is full ... "Walking around this hospital," Jimmy wrote on Instagram last year, "meeting parents at their most vulnerable, children in pain and the miracle workers who ...