Casey Donovan shows off her dramatic weight loss as she runs errands in Melbourne - after the Australian Idol winner revealed she weighs under 100kg for the first time in her adult

Casey Donovan displayed her incredible weight loss as she stepped out in Melbourne on Monday. 

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Weight Loss: News, Tips, Exercises and Celeb Diets - Page 13

Casey Donovan shows off her dramatic weight loss as she runs errands in Melbourne - after the Australian Idol winner revealed she weighs under 100kg for the first time in her adult