Thandie Newton is expecting her third child with husband Oliver Parker.

The Half of a Yellow Sun actress and her husband are already parents to two daughters, 12-year-old Ripley and eight-year-old Nico.

Newton, who attended the premiere of her latest film at the Toronto International Film Festival on Sunday, told Canada's Entertainment Weekly that she" can't wait until hew new miracle is born in March".

The 40-year-old British star's manager also confirmed the news to UsMagazine.com.

A source added to the publication: "She couldn't be more happy.

"You can barely tell she has a bump and she's been dressing different because of it."