(LOS ANGELES) -- Kimberly Stewart, 31, is expecting a baby with actor Benicio Del Toro, 44.
Stewart, who is singer Rod Stewart's daughter, has dated British actors Jude Law and Rhys Ifans in the past.
"Kimberly is pregnant. Benicio is the father and is very supportive. Although they are not a couple, they are looking forward to the arrival of the baby," Del Toro's spokesperson told Life & Style magazine.
Copyright 2011 ABC News Radio