Dec 17, 2009 05:25 PM 
The star and her fiancé, fashion designer Adam Kimmel, welcomed a baby girl on Wednesday night. Although Sobieski’s rep confirmed the birth to PEOPLE, no details on a name or the baby’s weight were given. Sobieski and Kimmel got engaged in June and announced the pregnancy in September; Sobieski has mentioned that the couple plan to wed sometime in the spring of 2010.
