Former CSI star William Petersen and his wife, Gina Cirone, have welcomed a twin daughter and son via surrogate, People reports.
The babies were born July 5 in Los Angeles and were premature, but are improving. Their names have not been revealed.
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"The babies are doing great and are improving every day and we can't wait for them to come home," the couple said.Petersen, 58, also has a daughter, Maite, 36, from his first marriage.