Amanda Holden has been a regular on our screens for more than twenty years - but now it’s time for viewers to see her in a brand new light as her mockumentary show, The Holden Girls: Mandy & Myrtle, debuts.The E4 spoof series stars Amanda, aka Mandy, and her beloved but often outspoken northern ‘Nan’ Myrtle - who is played by a yet to be confirmed famous face - as they move in together for the first time.