The couple who already have four children Liam, 9, Stella, 8, Hattie, 5 and Finn, 4. McDermott, welcomed the new addition to their family on Thursday.
"We are so excited to announce the birth of the newest member of the McDermott family!" she wrote. "Please join us in welcoming Beau Dean McDermott.",...Tori shared on Twitter accompanied with a black and white photo.