Her representative confirmed the Clueless star's pregnancy to People.com on Friday (14Jan11).

Silverstone hinted she was set to start a family back in April (10), telling the website, "I've been wanting to have a baby since I was two years old - I'm destined to be a mother."

The actress is the latest to join the 2011 celebrity baby boom - Selma Blair, Victoria Beckham and Marion Cotillard have all announced they are expecting in recent weeks.