Miley achieved the hallmark of a true star by writing her memoir at the age of 16 in 2009. At least she recognized her young age with the title, Miles to Go, and by targeting it to children ages 9-12. Jamie McCarthy/WireImage.com - March 5, 2009
Happy 18th Birthday Miley!
In honor of Miley Cyrus' 18th birthday on November 23, 2010, let's take a look back at the teen queen through the years.