According to multiple reports, Kimberly, 31, daughter of rocker Rod Stewart, welcomed her first child on Sunday night in Los Angeles.
"Although they are not a couple," the rep said at the time in a statement, "Benicio is the father and is very supportive."
According to Us Weekly, Rod and current wife Penny Lancaster-Stewart along with Kimberly's mom and Rod's first wife, Alana Collins, were at the hospital with her for the birth.
According to the mag, the baby girl - a name has yet to be released - was 22 inches and weighed 8 lbs. 9 oz.
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