Aretha Franklin

Aretha Franklin said she is recovering after undergoing a "highly successful" surgery for an undisclosed ailment.

"God is still in control," Franklin told The Associated Press in a statement. "I had superb doctors and nurses whom were blessed by all the prayers of the city and the country. God bless you all for your prayers!"

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The Queen of Soul had the surgery Thursday at a Detroit hospital. The reason for the surgery was not revealed.

Last month, Franklin, 68, canceled all of her performances through May.