Paul McCartney's Daughter Stella Welcomes Baby GirlStella McCartney, the fashion designer daughter of legendary Beatle Paul McCartney, gave birth to a baby girl, Reiley, on Nov. 23.

The new daughter is baby number four for 39-year-old Stella and husband Alasdhair Willis, E! Online reports. Reiley joins siblings Miller Alasdhair James, 5, Bailey Linda Olwyn, 4, and Beckett Robert Lee, 2. The new addition to the family came in at an even 8 lbs.

Reiley is the Wings frontman's seventh grandchild. Stella is one of Sir Paul's four children with deceased wife Linda McCartney.

"According to reports, Stella is planning on taking a very short maternity leave -- if one at all, due to the heavy workload on her new collection," E! writes.