Update: The newest O’Donnell’s name is Finley, Chris revealed on the Jimmy Kimmel Show last night.

Thanks to CBB reader Heather.

March 24th: Actor Chris O’Donnell, 35, (Batman and Robin) and his wife Caroline, 33, are parents for the fourth time. The new baby was born today at Cedar-Sinai Medical Center in Los Angeles. The baby boy does not yet have a name, but Chris’ rep says that mother and son are both "doing great!"

Baby O’Donnell joins big siblings Lilly Ann, 6, Christopher Eugene, 5, and Charles McHugh, 2 1/2.

Source: US Weekly