There are (at least) 5 female singers and one band using the stage name 'Michelle' -
(1) Michelle (*February 15, 1972 in Villingen-Schwenningen) is the stage name of German singer Tanja Shitawey (née Hewer) who represented Germany in the ESC 2001 with "Wer Liebe lebt" ("To Live for Love").
(2) Michelle McManus from the UK was the UK Pop Idol winner in 2003 and is best known for "All This Time", just credited 'Michelle' on her releases.


Read more about Michelle on Last.fm.