Claude Kelly (born 1980) is an American singer, songwriter and music producer. He is a four-time Grammy Award nominee, and has written or co-written songs for Michael Jackson, Whitney Houston, Britney Spears, Ariana Grande, Bruno Mars, Kelly Clarkson, Christina Aguilera, Jennifer Lopez, Kesha, Brandy, and One Direction. He and Chuck Harmony make up the R&B duo Louis York, and founded the music collective Weirdo Workshop.