By peoplestaff225
Updated July 12, 2007 02:27 AM

The UK Mirror reports that fashion designer (and celebrity baby) Stella McCartney, 35, and her husband Alasdhair Willis are expecting their third child by the end of the year.

If true, the new baby will join sister Bailey Linda Olwyn, 7 months, and brother Miller Alasdhair James, 2 1/2.

Source: The Mirror

Thanks to CBB reader Catherine.