Stella McCartney and her husband Alasdhair Willis have added a new daughter named Reiley to their family, report E! News.
McCartney, a fashion designer who is the daughter of Beatle Paul McCartney, gave birth in London on November 23. The baby weighed in at eight pounds.
McCartney and Willis were married in 2003 and have three other children together including Miller Alasdhair James, 5, daughter Bailey Linda Olwyn, 4, son Beckett Robert Lee, 2.
McCartney will also reportedly take a short maternity leave from her fashion duties. In the past she's designed clothes for celebrities like Gwyneth Paltrow.