TMZ reports that "Twilight" star Nikki Reed has filed for divorce from her husband, former "American Idol" contestant Paul McDonald.

Reed cites irreconcilable differences as the cause of the split. This is the first marriage for Reed and McDonald, who have no children together.

The couple were married back in July 2011 and announced their split in March, revealing that they had been living apart from each other for six months.

Despite the breakup, the two will continue to collaborate on an upcoming album.

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