Lady Miss Kier was the lead singer for the dance and electronica band Deee-Lite. Her vocals were featured on the band's albums, beginning with their first release World Clique in 1990, which includes "Groove Is In The Heart".

In 1986 in Williamsburg , New York City, Kirby formed Deee-Lite, and wrote and produced their songs with bandmate Dmitry Brill, known as Super Dj Dmitri. Their amorous breakup ended the group.. Kier's sultry, funny , and soulful voice was heard on Deee-Lite's albums until the group disbanded in 1995.

Since the disbanding of the group she moved to London, England and became a successful international DJ and guest writer/vocalist with Bootsy Collins, Full-cycle records, DFA records , Ray Mang, A Guy Called Gerald, George Clinton, House of Lords, among others . She now lives in New York City and is actively touring her new material as well as deejaying worldwide.

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