Miley Cyrus turns 20 years old today, and is it just us, or does if feel like she should be much older at this point?
The girl formerly known as "Hannah Montana" went from cute Disney star to controversial teen in no time -- highlights include posing topless in Vanity Fair at age 15, smoking the hallucinogenic drug salvia on her 18th birthday, and getting engaged to hot Aussie Liam Hemsworth when just 19.
Oh, and a lot of skimpy clothing.
In celebration of Miley finally escaping those crazy teen years, click "Launch Gallery" above to see her most controversial moments. Our take on it all? She's just being Miley!