Home and Away actress Demi Harman has announced she is expecting her first child as she shared the first glimpse at her growing baby bump.The actress shared her happy news that she's set to welcome a baby with her Disney producer husband Andrew Brooks. Posting an image of the couple posing together during a holiday to Moreton Island in Australia, Demi showcased her tummy as she cradled the bump.The 29 year old star looked over the moon as she straddled a palm tree for the snap.