Happy 20th birthday, Miley Cyrus – Miley Cyrus has gone from an apple-cheeked preteen to a confident singer/actress with the whole world watching. As Cyrus celebrates her 20th birthday on Friday, November 23, we recount her transformation in 20 photos.
Miley Cyrus, age 13 – Seen here at 13 in May 2006, Miley Cyrus was the star of the Disney Channel's "Hannah Montana" series, playing a teen with a secret pop star alter-ego.
Miley Cyrus, age 13 – The role turned Cyrus into a singer as well as an actress. Here, she performs at a Radio Disney concert held in Anaheim, California, in July 2006.
Miley Cyrus, age 13 – The urge to perform must run in the family. Cyrus, of course, is the daughter of country star Billy Ray Cyrus.
Miley Cyrus, age 14 – Cyrus' fame spilled over from the Disney Channel into mainstream pop culture. Here, she arrives at MTV's "Total Request Live" in 2007.
Miley Cyrus, age 14 – Cyrus is a frequent guest at the American Music Awards. Here, she arrives at the 2007 show just days before her 15th birthday.
Miley Cyrus, age 15 – In 2008, Cyrus starred in the 3-D concert film, "Hannah Montana & Miley Cyrus: Best of Both Worlds." Here, she and Ashley Tisdale embrace at the film's premiere after party.
Miley Cyrus, age 15 – Pushing her acting resume beyond "Hannah Montana," Cyrus teamed with John Travolta for the 2008 animated feature "Bolt." Here, the co-stars arrive at the film's Los Angeles premiere in November 2008.
Miley Cyrus, age 16 – Cyrus' 16th birthday coincided with the American Music Awards in 2008, and she celebrated with a cake and friends backstage.
Miley Cyrus, age 16 – Cyrus had a box office success with 2009's "Hannah Montana: The Movie." Here, she arrives at the film's Los Angeles premiere in April 2009.
Miley Cyrus, age 16 – Cyrus stirred up more controversy at the 2009 Teen Choice Awards when she hopped on top of an ice cream cart and danced around a pole while singing her hit single "Party in the USA."
Miley Cyrus, age 17 – At the Grammy Awards in 2010, Cyrus showed off a more adult look and a new hair color.
Miley Cyrus, age 17 – Cyrus began dating her "The Last Song" co-star Liam Hemsworth in 2009, and the two went on to have a closely chronicled relationship. Here, the couple embraces at an Academy Awards party in March 2010.
Miley Cyrus, age 17 – Cyrus stole the show with her costume when she took the stage at the Rock in Rio Madrid Festival in June 2010.
Miley Cyrus, age 18 – Cyrus turned 18 two days after attending the 2010 American Music Awards on November 21. Not long after she celebrated her big day, a video leaked of Cyrus taking a bong hit of salvia.
Miley Cyrus, age 19 – In December 2011, still dating boyfriend Liam Hemsworth, Cyrus made headlines when she walked the red carpet at the CNN Heroes event in Los Angeles. The singer/actress later had to refute gossip that she'd had a breast augmentation.
Miley Cyrus, age 19 – When Cyrus chopped off her hair and styled it as a bleached blonde pixie in August 2012, it was the haircut heard 'round the world.