Hilary Duff's sister was spotted in Malibu over the weekend, sporting a new accessory. A man!
The older Duff was arm-in-arm with a scruffy new chap.
Just who is this mystery man?
UPDATE: Mystery solved! A couple of astute TMZ readers identified Haylie's man as Charlie McDowell, son of Mary Steenburgen and former husband Malcolm McDowell.
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