Cheryl Cole has congratulated Nadine Coyle on her pregnancy.

The girl band Girls Aloud - whose last album 'Out of Control' was released in 2008 before they went on hiatus in 2009 - have returned to the studio with producers Xenomania, who wrote most of their biggest hits including 'The Promise' and 'Something Kinda Ooooh', to mark their 10th anniversary.