British pop star Michelle Heaton is expecting her second child.

The Liberty X star and her husband, Irish businessman Hugh Hanley, are to become parents for a second time, and she announced the news in a post on her page on Monday (19Aug13).

She writes, "Myself and Hugh Hanley are thrilled. We are expecting a mini Michelle or Hugh... This is a very exciting time for us after everything that's happened... Thank you as always for your love & support!"

The singer, who is already mother to a daughter named Faith, has endured a number of health scares over the last few years, including a heart operation and a double mastectomy after doctors diagnosed her with a gene linked to breast cancer.

Heaton has revealed her second pregnancy was "a shock" and has suggested she will have her ovaries removed after the birth to minimise her risk of developing ovarian cancer.

The star is due back on stage with her band Liberty X in December (13) for a Christmas tour.