Stevie Wonder files for divorce from Kai Millard Morris

Singer Stevie Wonder performs on stage during the Diamond Jubilee concert at Buckingham Palace on June 4, 2012 in London, England.</p>

Singer Stevie Wonder performs on stage during the Diamond Jubilee concert at Buckingham Palace on June 4, 2012 in London, England.

Music legend Stevie Wonder filed for divorce on Friday after 11 years of marriage to fashion designer Kai Millard Morris, the New York Daily News confirmed.

"As this is a private and personal matter, he asks that the public and the media kindly respect the privacy of Kai, his children, and family at this time," read a statement from Wonder.

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The Grammy winner is known for his hits "Superstition," "I Just Called to Say I Love You" and "Signed, Sealed, Delivered I'm Yours."

TMZ said the couple have been separated since October 2009.

The 62-year-old is requesting joint custody of his two sons, Kailand and Mandla, ages 10 and 7, TMZ confirmed.

ABC News reported this is his second marriage. Wonder was previously married to the late singer and songwriter Syreeta Wright.