Céline Dion says her stardom has given her the relentless determination to “never want to give up on anything”. The 55-year-old ‘My Heart Will Go On’ singer – who has no idea when she will be able to return to preforming live after her Stiff Person Syndrome forced her off stage following her 2022 diagnosis of the ultra-rare condition – has now insisted she has an irrepressible ambition to do what she was “born” for despite her illness. She told the latest issue of Vogue France when asked what being a celebrity has “brought” and “taken away from” her: “Celebrity has made me want to never give u…