Rosamund Pike has given birth. The Die Another Day actress and her partner Robie Uniacke - who have been dating since December 2009 - recently welcomed son Solo into the world, according to the Mail on Sunday.

The 33-year-old actress kept her pregnancy under wraps until she was seven months along and could no longer hide her bump. Although Rosamund and Robie - who already has four children - are not engaged, they have discussed moving in together.

"They are talking about getting a family home when the baby is born, although marriage isn't on the cards. Rosamund is so excited about the baby, and she's planning to take a break from work. She and Robie are very happy together. Robie gets a bad press but he is a great guy and adores her," a source said.

Rosamund - whose engagement to director Joe Wright was called off a month before their wedding in 2008 - has always said she would like to become a mother and would like more than one child: "As an only child, you've never known anything else. But I definitely know that I would like my child to have brothers or sisters. But I haven't got a child yet, not yet obviously."