Michael Jackson was an American singer and dancer who became one of the most famous entertainers of all time. His 1982 album Thriller is the best-selling album of all time. He popularized dance moves like the moonwalk and transformed music videos into an art form. Jackson generated controversy over his changing appearance and was accused of child sexual abuse in 1993, though he was acquitted in 2005. He died in 2009 at age 50 from cardiac arrest.