Miley Cyrus planning 'something really special' for Hannah Montana's 20th anniversary Miley Cyrus is planning "something really special" for Hannah Montana's 20th anniversary next year. 31 July 2025 Miley Cyrus is planning "something really special" for Hannah Montana's 20th anniversary. Miley Cyrus planning 'something really special' for Hannah Montana's 20th anniversary Miley, 32, shot to fame in the Disney show - which ran for four seasons from 2006 to 2011 - and she revealed she would love to pay tribute to the series with a special celebration next year.