After initial reports of the marriage by magazines Us Weekly and People, TV shows Access Hollywood and Entertainment Tonight confirmed the nuptials had taken place.
Us Weekly reported 100 friends and family attended the "brief, but traditional" service, including Moore's ex-husband Bruce Willis and her Charlie's Angels: Full Throttle co-star Lucy Liu, as well as Kutcher's That '70s Show co-star Wilmer Valderrama.
While Kutcher, 27, weds for the first time, the union is the third marriage for the 42-year-old Ghost beauty, whose previous husbands include rocker Freddie Moore from 1980 to 1984 and Willis from 1987 to 2000.
Moore and Kutcher first met in early 2003 at a casual dinner in New York City, while the actor was in a relationship with his Just Married co-star Brittany Murphy. Kutcher begin dating Moore in May 2003 after splitting from the 8 Mile actress a month earlier.