Alec and Hilaria Baldwin have revealed that they are expecting their second child together.

Hilaria announced the happy news on Instagram, posting a family photo with their daughter Carmen touching her tummy.

She captioned the image: "The sun has set on 2014 and on my year of daily#hilariaypd ....2015 is going to be very exciting as we are thrilled to announce we are expecting another little addition to our family!"

The couple have been married since 2012, and welcomed Carmen in 2013.