Kelly Clarkson has revealed she is expecting a baby girl with her husband Brandon Blackstock.

The singer announced the news on Twitter, writing: "We just found out we're having a girl officially!"

She added that she had suspected that she was having a daughter, saying: "I knew it!. Only a girl could cause this much drama with all this vomiting ha!"

The news of Clarkson's pregnancy came just a month after she and Blackstock married in Walland, Tennessee in October.

She is stepmother to Blackstock's two children from a previous relationship.