Imogen Heap (born December 9, 1977, in Havering, Outer London) is a British singer-songwriter / electronica artist. She is known for her work as part of the musical duo Frou Frou from 2002-3, and for her solo albums, which she writes, produces, and mixes. She has released a series of solo albums including Ellipse (in 2009), a North American chart success that earned Heap two Grammy nominations and won her the Best Engineered Album (Non-Classical) award.