Tori Spelling, 43, welcomes fifth child with husband Dean McDermott

And baby makes ... seven!

Tori Spelling welcomed her fifth child, a boy, with husband Dean McDermott on Thursday, making them an adorable family of seven.

The former "Beverly Hills, 90210" star posted a sweet photo of her little one grabbing onto one of Dean's fingers on Twitter.

"We are so excited to announce the birth of the newest member of the McDermott family!" she captioned the snap. She then revealed the little tyke's name: "Please join us in welcoming Beau Dean McDermott."

The family said he weighed in at 5 lbs., 12 oz and measured 18½ inches in length.

And we're sure mom and dad don't like to play favorites, but we think little Beau may be a grandma's boy!

Candy Spelling, Tori's mom, began spoiling her grandchild even before he came out of the womb with a lavish baby shower last month. More than 50 guests filled the swanky Bel Air hotel's main restaurant for a $40,000 luncheon planned by Mindy Weiss, the party planner to the stars.

The beautiful venue was decorated with hundreds of blue balloons, stunning floral arrangements and even a train set that ran from table to table!

Tori attended the swanky soiree with her four other children -- Liam, 9, Stella, 8, Hattie, 5, and Finn, 4.

But of course, the bash wasn't without drama. Dean McDermott's ex-wife, Mary Jo Eustace, lashed out after finding out about the expensive shindig because he allegedly owes her thousands in child support.

The outrageous amount Candy shelled out for the party is merely pocket change for her. The widow of Aaron Spelling, the Hollywood legend behind "Dynasty" and "The Love Boat," was said to be worth $600 million at the time of her husband's death in 2006.