Stella McCartney welcomed a new addition to her family on Tuesday night, in the form of a baby daughter.
The new arrival is Stella's fourth child with her husband Alasdhair Willis.
The 39-year-old designer already has two sons - Miller, five, and two-year-old Beckett - and a three-year-old daughter, Bailey.
The new baby has been named Reiley, and will become Sir Paul McCartney's seventh grandchild.
And perhaps inspired by her new baby girl, Stella has designed her first children's collection.
Photo: © Rex
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