‘ Miley Cyrus first No. 1 single on Adult Contemporary radio airplay survey is ‘The Climb’. It pushed Taylor Swift to No. 2 after a six-week reign with ‘Love Story’, reports Billboard: Miley has earned two No. 1s on the Billboard 200: ‘Hannah Montana 2 Soundtrack/Meet Miley Cyrus’ in 2007 and ‘Breakout’ last August. She has climbed as high as No. 4 on Hot Country Songs with ‘Ready, Set, Don’t Go,’ with daddy Billy Ray. At 16 years and seven months, Miley is the youngest artist to top Adult Contemporary since LeAnn Rimes’ ‘How Do I Live’ reached No. 1 in September 1997 just two weeks after her 15th birthday.