In February 2010, she donated several items including the dress she wore to the 52nd Annual Grammy Awards and two tickets to the Hollywood premiere of her movie The Last Song to raise money for the victims of the 2010 Haiti earthquake.
Cyrus became a teen idol for her portrayal of the starring character Miley Stewart in the Disney Channel television series Hannah Montana in 2006; her father Billy Ray Cyrus additionally starred in the show.
Cyrus subsequently signed a recording contract with Hollywood Records; her debut studio album Meet Miley Cyrus (2007) was certified triple-platinum by the Recording Industry Association of America (RIAA) for exceeding three million shipments.
That same month, it was confirmed that Cyrus had signed on as a judge for the eleventh season of The Voice as a replacement for Gwen Stefani; Cyrus is the youngest judge to appear on any incarnation of the series.
In September 2016, Cyrus became a co-star in Crisis in Six Scenes, a television series Woody Allen created for Amazon Studios.
Cyrus released her second album Breakout and launched her film career as a voice actress in the animated film Bolt in 2008.