Tori Spelling (Photo: Michael Kovac/Getty Images)

Tori Spelling and Dean McDermottwelcomed child number four Thursday evening.

Newborn Finn Davey McDermott now joins brother Liam, as well as big sisters Stella and Hattie as the “Tori & Dean” clan continues to expand.

Spelling announced Finn’s arrival to the world on her website, writing “We are so excited to announce the birth of the newest member of the McDermott family.”

Baby Finn was born at 5:39 p.m. on Thursday, Aug. 30, weighing 6 lbs., 6 oz. and measuring 20 inches long.