Miley Cyrus turned 18 in November, and the now grown-up teen queen opens up to Marie Claire magazine in the March issue. One of the subjects she addresses is the infamous “bong incident,” in which a video of the former Disney child star smoking a bong filled with the legal herb salvia turned up on TMZ, inspiring more dreary comparisons to teen-stars-gone-wild like Lindsay Lohan. For most young adults, this wouldn’t be such a big deal, but Miley’s been marketed as a role model for teens.

She told Marie Claire, “I’m not perfect … I made a mistake … I’m disappointed in myself for disappointing my fans …” Reminded that many of her peers are smoking more than just legal herbs, Miley added, “They’re not role models. So for me it was a bad decision, because of my fans and because of what I stand for.”

But how long is an adult woman expected to act like a child just to please an audience she’s already outgrown? Unfortunately, that question didn’t come up. What you do get to see is the very curvy, sultry Miley in some seriously sexy gowns! See more of Miley in Marie Claire after the jump.