Jimmy Kimmel has shared how his son Billy is faring ... In addition to Billy, the funnyman is also dad to adult children Katie and Kevin from his marriage to ex-wife Gina Maddy.

Jack looked smart in an all-black look as he left the TV studios after promoting his latest projects Borderline and Novocaine on Jimmy Kimmel Live ... has fathered six children by five different ...

"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 ...

The mom of three shared with late-night host Jimmy Kimmel that she likes to keep things "very lowkey" in the beginning ...