Karen O is an American singer and musician. She was a member of the American musical group Yeah Yeah Yeahs. Karen O wrote the soundtrack for Where the Wild Things Are and an original song for Her. She has released two solo albums: Crush Songs and Live from Crush Palace. Karen O has also lent her voice to Santigold and worked with Danger Mouse on the album Lux Prima, as well as the popular songs Super Breath and Drown. She has appeared in the documentary Meet Me in the Bathroom.