Miley Cyrus's Most Outrageous Moments

Now 18, see how the Disney star transformed from bubbly tween queen to an "untamed" pole-dancing siren

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DATING UP

In 2008, the 15-year-old teen queen raised eyebrows when she began dating 20-year-old model Justin Gaston, but the age difference didn't bother Cyrus's dad Billy Ray. "Justin's a good friend. A good friend of the family," he told PEOPLE. "He actually reminds me a lot of myself when I was 20 years old."