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Hilary Duff reunited with estranged husband Mike Comrie for aValentine’s Day vacation on Friday.

The couple, who last month announced their separation, is spending the holiday together with their baby son Luca.

Duff shared a photo of Comrie draping his arm around her while holding Luca (see right), referring to the trio as a “modern family.”

The “Lizzie McGuire” alum and Comrie said they remain “best friends” when they split in January.