Tori Spelling and Dean McDermott Welcome Son Beau Dean

It’s a boy for Tori Spelling and Dean McDermott!

The spouses of 10 years welcomed their fifth child together on Thursday, March 2, her rep confirms to PEOPLE exclusively.

Son Beau Dean McDermott was born at 1:48 p.m., weighing 5 lbs., 12 oz. He measured 18½ inches long.

“We are over the moon in love with baby Beau. He is a true blessing and his brothers and sisters were overjoyed to meet him! We are all truly grateful for our big beautiful and healthy family,” Spelling, 43, tells PEOPLE.

Spelling and McDermott’s newest addition joins siblings Finn, 4½, Hattie, 5, Stella, 8½, and Liam, 9½. McDermott, 50, also has an 18-year-old son named Jack from his previous marriage.


We are so excited to announce the birth of the newest member of the McDermott family! Please join us in welcoming Beau Dean McDermott.

— Tori Spelling (@Tori_Spelling) March 3, 2017

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When the chicness is just too much sometimes a pregger just needs to sit down! Styling @sethchernoff dress @marcjacobs shoes @stuartweitzman purse @hermes bump @torispelling & @imdeanmcdermott #dressthebump #hautepregger

A post shared by Tori Spelling (@torispelling) on Feb 17, 2017 at 1:42pm PST

The former reality star couple revealed their baby news exclusively to PEOPLE in October, with a sweet family photoshoot and lots of candid thoughts about expanding their brood.

“It was a total surprise,” Spelling told PEOPLE at the time. “But we always wanted a big family. I’m really excited.”

While time has seemed to go by fast for the actress, author and blogger, she says she and her husband are ready for another little one around the house.

“Dean was saying, ‘We just got Finn out of diapers; I thought we were in the clear!’ ” Spelling said with a laugh. “For…