Stevie Wonder has filed for divorce from his wife of 11 years, fashion designer Kai Millard Morris. TMZ.com reported that Stevie Wonder, who's real name is Stevland Morris, revealed in court documents filed on Friday that he and Kai have been separated since October '09.

Stevie Wonder is being represented by attorney Laura Wasser, who handled the divorce proceedings for Britney Spears and Mel Gibson's ex-wife, Robyn Gibson. Stevie says that irreconcilable differences is the reason for the divorce and he is seeking joint custody of the couple's two sons, Kailand, 10, and Mandla, 7. Wonder says that he is willing to pay spousal and child support.