Arrival date:June 22 It's… a boy! His name is HoldenPaul Terry. Proud papa:Mira's husband, Chris Backus. And baby makes… five. Holden's big sister Mattea, 4, and brother Johnny, 3, now have a new playmate. Birth announcement: "As soon as they placed him in my arms I knew it had all been worth it," Mira -- who had a difficult pregnancy and long labor and delivery -- told PEOPLE. "He is my miracle baby."