Hilary Duff and Mike Comrie welcome a son

BEVERLY HILLS, CA - MAY 11: Professional hockey player Mike Comrie (L) and wife actress Hilary Duff attend An Evening of "Southern Style" presented by the St. Bernard Project & the Spears family at a private residence on May 11, 2011 in Beverly Hills, California. (Photo by David Livingston/Getty Images) *** Local Caption *** Mike Comrie;Hilary Duff;
David Livingston
Mike Comrie and wife Hilary Duff attend An Evening of "Southern Style" on May 11, 2011, in Beverly Hills, Calif.

(CBS News) It's a boy for Hilary Duff and Mike Comrie.

The actress and her hockey player husband welcomed son Luca Cruz Comrie on Tuesday.

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Duff, 24, shared the happy news via Twitter on Thursday:

Luca is the first child for the couple, who married in August 2010. A year later, Duff announced she was expecting.