Actress Tamera Mowry is a first-time mum.

The Sister, Sister star and her husband-of-18-months, Fox News correspondent Adam Housley, welcomed son Aden John Taylor in Los Angeles on Monday (12Nov12), two weeks after Mowry's due date.

The actress tells In Touch magazine, "We are so happy! He is healthy, happy, strong, beautiful and our families are so excited to have another grandchild, cousin and nephew".

This isn't the first new baby in the family - Tamera's twin sister Tia Mowry and her husband Cory Hardrict welcomed their first child, a boy named Cree Taylor, in June (12).

Congratulating her sibling in a post on Twitter.com, Tia writes, "Yay!!! I can finally now say I am an auntie...!!!! Cree now has a play date! He is beaituful (sic)!"