"I'm a Wii bit thinner!" Mum goes from 18st to 10st using Nintendo's keep-fit console . MUM Lara Roberts has gone from well fat to Wii Fit after losing EIGHT STONE by working out with her games console. When she tipped the scales at 18 stone, Lara 38, struggled to climb the stairs and was embarrassed to have sex with her husband. (more...)... more.