Birth name Karen Lee Orzolek Also known as Marshmellow Born November 22, 1978 (age 45) Seoul, South Korea Origin Englewood, New Jersey, U.S. Genres Indie rock,alternative rock,art rock,punk rock Occupation(s) Singersongwriter Instrument(s) Vocalspianokeyboardsguitar Years active 2000–present Karen Lee Orzolek (born November 22, 1978)[1] is a South Korean-born American singer, musician, and songwriter. She is the lead vocalist of the indie rock band Yeah Yeah Yeahs. Karen O（全名：Karen Orzolek；本名：Karen Lee Orzolek）生于1978年11月22日（韩国）。母亲是韩国人，父亲是波兰。在新泽西州长大。是Yeah Yeah Yeahs乐队主唱。