The boys in the Spelling-McDermott house are now officially outnumbered! Tori Spelling and Dean McDermott, along with their children — Liam, 4, and Stella, 3 — welcomed a baby girl, Hattie Margaret, to the family yesterday morning. The new mama, who decided to wait to find out the baby's gender, tweeted the announcement to her friends and followers, saying, "Our family is so happy to announce tht 10/10/11 R baby girl Hattie Margaret McDermott was born at 7:08am. She's amazing!" Congratulations to our blogging partner and one of our favorite Twitter moms!