"It is with great sadness and a heavy heart that I have decided to end my six-year marriage to Ashton. As a woman, a mother and a wife there are certain values and vows that I hold sacred, and it is in this spirit that I have chosen to move forward with my life," people.com quoted Moore as saying.
"This is a trying time for me and my family, and so I would ask for the same compassion and privacy that you would give to anyone going through a similar situation," she added.
The divorce comes after reports that Kutcher has a one-night stand with 22-year-old Sara Leal on his sixth wedding anniversary in September.
Kutcher says he will cherish his marriage.
"I will forever cherish the time I spent with Demi. Marriage is one of the most difficult things in the world and unfortunately sometimes they fail," Kutcher said.
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