Holly Willoughby
Holly Willoughby has announced that she is pregnant.Look

Holly Willoughby has announced that she is expecting her third child.

The 33-year-old This Morning host shared her baby news in a post on her blog, telling fans that she felt 'blessed' about her new arrival.

"Surprise Surprise (and it was a surprise!!)," she wrote.

"I'm really happy and excited to tell you that Dan and I are expecting baby number three!"

"We feel blessed and very lucky to be giving Belle and Harry a little brother or sister later this year."

Ahead of the big reveal, she teased fans by tweeting a link to her site.

Willoughby already has a boy and a girl with husband Dan Baldwin. Their new addition will join four-year-old Harry and two-year-old Belle.