"After the long-awaited arrival of their second child, Rod and Penny are proud and thrilled to welcome Alastair's baby brother, Aiden, into the world," the BBC quoted the statement as reading. "Mother and baby are healthy and blissfully happy," the statement said.
Aiden is Stewart and Lancaster's second child, their first son is five-year-old Alastair. The couple had problems conceiving naturally and Lancaster, 39, became pregnant on the third cycle of IVF treatment. Stewart married Lancaster, his third wife, in Italy in 2007. He has already six children from previous relationships.