Fashion designer Stella McCartney, 36, has given birth to her third child, a son, Beckett Robert Lee, PEOPLE has confirmed.
Dad is McCartney’s husband, Alasdhair Willis, the chairman of a furniture company, and grandpa is Paul McCartney. Stella’s mother, Linda McCartney, died of breast cancer in 1998.
Vogue.com first reported Beckett’s arrival.
• Reporting by SIMON PERRY