Hilary Duff has filed for divorce from Mike Comrie, TMZ reports.
According to the website, Duff cites irreconcilable differences in the papers, and asks for primary physical custody of the couple's son, Luca, 2.
Duff and Comrie announced their separation in January 2014. At the time, a rep confirmed the split to HuffPost Celebrity, adding: "They remain best friends and will continue to be in each other's lives. They are dedicated to loving and parenting their amazing son, and ask for privacy at this time."
Duff also expressed gratitude for fans' well wishes in a tweet:
Mike and I are sitting here,we are so appreciative for all of your kindness& well wishes. Not an easy day but we're getting thru it together
— Hilary Duff (@HilaryDuff) January 10, 2014
Duff’s rep did not immediately respond to a request for comment from HuffPost Celebrity.