Party of four: Neve Campbell鈥檚 family has gained a member! The House of Cards actress took to Instagram last night to make the big announcement that she and husband J.J. Feild adopted a baby boy five months ago.

鈥淪heer joy!!!!鈥 she captioned a shot of her new family. 鈥淪o it鈥檚 been a secret up until now as J.J. and I wanted to wait until it was official, but we adopted a beautiful baby boy five months ago.鈥

The 鈥00s Scream queen also revealed her new son鈥檚 name, saying, 鈥淗is name is Raynor and we are madly in love with him. Our 6-year-old son Caspian is over the moon and asks every morning, 鈥楥an I hold my baby? Can I feed my baby? Can I play with my baby?鈥 It鈥 s the most incredible thing we鈥檝e ever experienced.鈥

The name keeps in line with the unusual moniker Campbell and Feilds chose for their eldest babe, which the mommy of two revealed was entirely intentional. 鈥淚 like the idea of an unusual name,鈥 she聽said during an appearance on The Talk back in 2012. 鈥淚 like having a unique name 鈥 it鈥檚 [my mom鈥檚] maiden name, Neve, and not a lot of people have it. It鈥檚 nice having something special and different and so I wanted something like that for our son.鈥

Campbell, 44, also thanked Raynor鈥檚 biological brood, writing, 鈥淲e鈥檙e so grateful for this beautiful light coming into our lives and we think of and are grateful to his birth family every day for such an incredible gift. This picture was taken moments after our adoption became official yesterday and I鈥檝e been dying to share our news with you all!!鈥

The little one joins the former Party of Five crew鈥檚 growing extended family 鈥 Campbell, who played Julia Salinger on the show, visited her onscreen little sister Lacey Chabert and her own daughter, Julia Mimi Bella, back in May.

Who was your favorite Party of Five cast member? Share with us over @BritandCo.

(Photos via Frazer Harrison/Getty)