Cyrus' second album, Breakout (2008), was certified platinum by the Recording Industry Association of America (RIAA) for shipments exceeding one million copies, and featured the successful track "7 Things". That same year, she launched her film career as the voice actress for Penny in the animated film Bolt. She earned a nomination for the Golden Globe Award for Best Original Song for her performance of its theme song, "I Thought I Lost You". In 2009, Cyrus starred in the feature film Hannah Montana: The Movie, whose soundtrack and lead single "The Climb" introduced her to country and adult contemporary markets.
Cyrus developed an adult image and mainstream pop sound with her extended play The Time of Our Lives (2009). Peaking at number two on the Billboard Hot 100, its track "Party in the U.S.A." became her highest-peaking single on the chart up to that point. Cyrus' maturing image progressed with the film The Last Song and her third album Can't Be Tamed in 2010. The latter project featured more