She was once reality TV royalty as a beloved star of MTV's "The Hills," but now Heidi Montag is probably more well-known as the queen of plastic surgery.
"I want to be happy," the 24-year-old said. "I've always heard you can't change the world until you change yourself and who you are."
Montag's shocking transformation after going under the knife for a marathon of at least 10 plastic surgery procedures in a single day last year has turned her from Hollywood starlet to tabloid target.
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