Miley Cyrus turned the clock back 20 years as she hit the red carpet for the world premiere of the Hannah Montana 20th Anniversary Special! The 33-year-old actress and singer shimmered in a silver dress and Hannah's signature blonde bangs on Monday, March 23, at the El Capitan Theatre in Los Angeles. Cyrus is celebrating 20 years of Hannah Montana with a new reunion special, looking back at the hit show with guest stars including Selena Gomez and Chappell Roan.