Stella McCartney, daughter of former Beatles star Paul McCartney, has given birth to a baby boy.

Stella McCartney, 33, a fashion designer, wed Alasdhair Willis, a 34-year-old former magazine publisher, in August 2003, reported the People magazine.

"Stella and Alasdhair Willis are thrilled to announce the birth of their healthy and happy baby boy born in the early hours of Feb 25 in London," the couple announced in a statement.