Britain's Got Talent legend Susan Boyle was unrecognisable as she was spotted on low-key outing in Ireland.The 61 year old singer, who shot to fame on BGT in 2009, returned to the Knock House Hotel in Mayo, West Ireland, where she's stayed before.The hotel's owners were thrilled to have the Scottish singing sensation back at their hotel, as they excitedly posted a snap of Susan graciously posing with a fan to their official Facebook page. Susan was dressed in a cream knitted cardigan with a yellow raincoat over the top, and she looked in a brilliant mood as she beamed for the camera, whilst showing off a makeup free face and straightened hair.