The 26-year-old actress and "Twilight" star cited "irreconcilable differences" as the reason for the split and is asking the court to deny spousal support for McDonald.
Reed and McDonald announced their separation in late March after "living separately for the past six months due to work obligations."
The two, who were married for two years, have continued to work on an album together in spite the split.
In May multiple sources told Us Weekly that Reed that already moved on from the split and was "hooking up" with "Dancing With the Stars" veteran Derek Hough.
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