Leilani (born Leilani Sen, November/December 1978, Hatfield, Hertfordshire, England) is an English (part Chinese) pop singer.She is best known for her 1999 UK hit single, "Madness Thing".She was signed to ZTT Records and scored two more chart hits with "Do You Want Me" (UK #40) and "Flying Elvis" (UK #73). She later married and had a son.