It's Miley Cyrus' birthday! A generational icon whose career is a relentless treasure of reinvention, moving seamlessly from Disney Channel star to global pop icon, rock vocalist, and Grammy winner.

Miley said that's how she got the job writing the Golden Globe-nominated "Beautiful That Way" for "The Last Showgirl" as well ...

Miley Cyrus, whose song "Dream as One," is featured in "Avatar: Fire and Ash," got candid on her forward approach to getting her music in films.