It's a Girl for Designer Stella McCartney!

Credit: Venturelli/

Stella McCartney has given birth to another budding fashionista!

The British designer (and daughter of The Beatles' Paul McCartney) and her husband, publisher Alasdhair Willis, welcomed a daughter last week, McCartney's rep confirms to

Named Reiley, the infant joins siblings Miller, 5, Bailey, 3, and Beckett, 2.

In February, the designer, 39, told the UK Evening Standard she loved the idea of having a busy household.

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"I'm kind of interested in having more children," she said. "Though right now I feel I've only just stopped having them, so I'm ready to have a bit of a break first."