Tori Spelling is a new mother for the third time!

The actress and husband Dean McDermott welcomed the third baby addition to their family yesterday, as confirmed by Spelling herself via Twitter:

“Our family’s so happy 2 announce [that on] 10/10/11 [our] baby girl Hattie Margaret McDermott was born at 7:08am! Xoxo.”

Hattie joined siblings Stella, 3, and Liam, 4. McDermott also has a 13-year-old son, Jack, from a previous marriage.