Hilary Duff confesses to throwing her husband’s phone during their yearly 'drag-out' fight

Marriage for Hilary Duff is mostly smooth sailing, except for the "drag-out" fight she has once a year with husband Matthew Koma.

Duff, 38, revealed she and Koma "literally never fight," before admitting they do have a once-a-year blowup that keeps things interesting. The couple's relationship has been in the spotlight after Duff and Koma worked together on the singer's sixth studio album, "Luck… Or Something." Koma, 38, is known for his songwriting – specifically his songs "Clarity," "Spectrum"...