12. Kirstie Alley
Kirstie Alley is one of the fat celebrities who gained more fame for her weight loss than her work, her weight transformation has been one of the trending stories on media. During 2004 – 2007 she lost 75 pounds. Later she gained 83 pounds. She then became Jenny Craig’s spokesperson 2nd time in 2014 she again lost 50 pounds. This fluctuating weight has made her under the limelight of fame.