Emily Blunt becomes a new mum

Emily Blunt and John Krasinski are first-time parents after the British actress gave birth to their daughter Hazel on Sunday.

Krasinski, 34, took to Twitter just after the birth to announce the happy news to his followers.

He wrote: "Wanted to let the news out directly. Emily and I are so incredibly happy to welcome our daughter Hazel into the world today! Happy bday!"

The couple began dating in 2008 and wed in July, 2010.