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Sure seems like it!

We snapped a giggly Hilary Duff and Nick Zano leaving XIV Karats in Beverly Hills yesterday, and given that Nick has been with Hilary's sister Haylie for quite some time now, it appears as though Hilary might have been helping him pick out an engagement ring! Either that, or she's helping him get a head start on his holiday shopping...

After stopping by the jewelry store, the two lunched at Cafe Med in West Hollywood, and it looks like Hilary has already adopted Nick as her brother-in-law.