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Hilary Duff and her estranged husband Mike Comrie are sparking some positive rumors with a new photo. 

The couple -- who has been separated since last year -- was spotted at a Halloween party Friday in Hollywood where paparazzi caught them leaving hand-in-hand. The shot shows the 27-year-old pop singer in costume as a fairy and looking surprised by the cameras. 

Hilary has hinted at the possibility of a reconciliation in the past. She told "ABC News" earlier this year that she and Mike still "love each other" and are "just figuring out what makes [them] happy."  The two also share a two-year-old son named Luca.  

Photo: Getty Images