Tori Spelling and Dean McDermott attend John Varvatos 9th Annual Stuart House Benefit on March 11, 2012 in West Hollywood, California. Credit: Michael Kovac/Getty

Dean McDermott is now a proud father of five!

The Always and Forever actor, 45, announced the birth of his fourth child with wife Tori Spelling, 39, via Twitter August 30. "Welcome Finn Davey McDermott to the world. . . We've been blessed with another angel."

Finn, who weighed 6 pounds, 6 ounces, was born at 5:39 p.m. He joins older siblings Liam, 5, Stella, 4, and Hattie, 10 months, and half-sibling Jack, 13 (from McDermott's previous marriage to Mary Jo Eustace, 55.)

One day before Spelling gave birth, the happy family spoke to Us Weekly at the Boys and Girls Club in Burbank, California. "I'm excited about the baby!" said Liam, the actress' firstborn.

"They are excited!" Spelling, who hosts Craft Wars on TLC, echoed. "I got pregnant so quickly after I had Hattie that I think they're just like, 'Oh, Mom's constantly in a state of pregnancy.' They say they're going to be excited when I'm not pregnant anymore so I can have pillow fights again with them. That's their big thing."

Spelling announced her pregnancy in March, just five months after giving birth to her daughter, Hattie. As of right now, Spelling doesn't see any more children in her future.

"I actually love being pregnant, so if it is my last, I'll be sad never to be pregnant again," the Beverly Hills, 90210 alum told Us. "It'll have been a  precious moment in time and it'll be over with, so it is sad."