Exclusive: Sigler, who was diagnosed with MS in 2002, spoke to ‘The Independent’ ahead of her guest-starring role on Thursday’s episode of ‘Grey’s Anatomy’ Get the latest entertainment news, reviews and star-studded interviews with our Independent Culture email Get the latest entertainment news with our free Culture newsletter Get the latest entertainment news with our free Culture newsletter Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read