Karen O is an American singer, songwriter, and musician, best known as the lead vocalist of the rock band Yeah Yeah Yeahs. Born on February 22, 1978, in Seoul, South Korea, she moved to the United States at a young age. Her distinctive voice and energetic stage presence have made her a prominent figure in the indie rock scene since the early 2000s. In addition to her work with Yeah Yeah Yeahs, Karen O has released solo music and collaborated with various artists. She gained further recognition for her contributions to film soundtracks, including the Academy Award-nominated song “The Moon Song” from the movie Her.