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Biggest Celebrity Weight Loss Transformations!

Abby Lee Miller

The Dance Moms star told ET that her weight loss occurred when she was put on prescription medication but noticed while shooting her Lifetime show in Australia last summer that their version of the drug was different.

"I was taking some medication for thyroid this and that and I had to have the prescription refilled there," she recalled of her trip down under. "Well, it was the same medication but the pills are different. Our pills here are coated for your stomach and this and that, not there. No matter what I ate I was like sick everywhere."

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