Although she became famous as one half of Floetry, when the duo split over creative differences, this singer from Liverpool, England, became a solo artist. And in 2011, Marsha Ambrosius released her solo debut, Late Nights & Early Mornings. The album peaked at No. 1 on the R&B/Hip Hop chart and No. 2 on the Billboard 200. She has also written or produced music for Alicia Keys, Justin Timberlake, Nas and the song “Butterflies” for Michael Jackson.