The former couple was married six years before separating in November 2011.
Kutcher, 34, cited in Friday's divorce filing irreconcilable differences as the reason for his split from Moore, 50, People.com reported.
He has been dating his former "That '70s Show" co-star Mila Kunis for several months.
Aaron Carter is still in love with Hilary Duff
Boston schools pull out free condoms over wrapping complaints