On "Hannah Montana," Miley plays Miley Stewart, a girl who secretly has another life as singing sensation (and blond wig-wearing) Hannah Montana. Emily Osment (younger sister of "The Sixth Sense's" Haley Joel Osment) portrays her BFF/partner in crime, Lilly Truscott. Kevin Parry/WireImage.com - April 6, 2006
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.