Former "The Biggest Loser Australia" contestant posts photo showing dramatic weight loss

A former The Biggest Loser Australia contestant took to Facebook to update friends and fans on her dramatic weight loss.

Yes I know a shameless selfie...why? Because never did I think I would ever take a pic of me in a bikini in Bali! I...

Alison Braun posted the before and after photos on October 11.

The updated photo shows Braun in a bikini. She captioned it saying, "I never wanted to come to Bali because at 122kg I never felt like I fitted in. I still can't believe just how much life I missed out on."