Bridesmaids star Jessica St. Clair is a new mom after giving birth to a baby girl last week (01Oct13)....
Bridesmaids star Jessica St. Clair is a new mom after giving birth to a baby girl last week (01Oct13).
Little Isobel Kelly O'Brien was born in Santa Monica, California.
The child is the 36-year-old actress' first with husband Dan O'Brien.
A spokesperson for the couple tells People.com, "Everyone is healthy, happy and doing great."