Tori Spelling, Reality TV star of "True Tori", welcomes their fifth bundle of joy, baby Beau, with husband Dean McDermott on March 2, Thursday at 1:48 p.m.

The 43-year-old Beverly Hills 90210 star is at bliss and ecstatic with the new addition to the family. She exclusively shares in an interview with People, "We are over the moon in love with baby Beau."

The new mom is enamored and so are baby Beau's siblings who are all excited to play and take care of their new brother.

Tori Spelling Took To Twitter To Share The Arrival of Baby Boy Beau; Siblings Are All Excited With The New Addition To The Family

Baby Beau joins siblings - Liam 9½, Stella 8½, Hattie 5, and Finn 4½. The actress took to Twitter to show the world how excited the entire family is with the arrival of their son.

"We are so excited to announce the birth of the newest member of the McDermott family!" This she wrote right beside a snapshot of baby Beau's hand. "Please join us in welcoming Beau Dean McDermott."

Pompous Baby Shower Organized For Mom Tori Spelling And Baby Beau

Tori had some pampering and was treated to a pompous baby shower staged at Hotel Bel-Air in Los Angeles. Celebrity event planner, Mindy Weiss, was hired to organize the grandiose 5-star event fit for royalty. The couple who are celebrating their 10th year of marriage obviously can't seem to contain their excitement and are both very happy with their new baby boy and wanted to share this joy with the world.

While the pregnancy wasn't really planned, they knew this was destined to happen. Tori shared on her website how thrilled and blessed they are to have Baby Beau as the fifth addition to the family. As expected, social media embraced and fell in love with baby Beau like their own.