Jessica Alba and her husband, Cash Warren, are expecting their second child.

Ms Alba announced the news on her Facebook page and Twitter account.

The 29-year-old actress wrote on the social networking site: “I thought I’d drop by to let you all in on some exciting news. Honor is going to be a Big Sister!” She added: “Cash and I are thrilled.”

Their daughter, Honor Marie, was born in 2008.

Ms Alba’s film credits include Little Fockers, Fantastic Four, The Love Guru and Meet Bill. She also starred on TV’s Dark Angel.