While talking with USA Today, the "Have I Told You Lately" crooner sang out the newborn's name, adding, "I'm a grandfather now. I've been going around blabbing that for hours now."
Enjoying the welcome arrival, 32-year-old Kimberly and Academy Award-winning actor Benicio gave birth to their precious bundle of joy at Los Angeles' Cedar Sinai hospital on Sunday (August 21) - while surrounded by family and friends.
After confirming the news the he and Stewart were expecting back in April, del Toro's rep furthered the report, explaining that the two had split. “Benicio is the father and is very supportive. They are looking forward to the arrival of the baby.”