Hilary Duff, Mike Comrie band-aid jean shorts sweater

Hilary Duff and her hockey pro husband Mike Comrie grabbed lunch in Beverly Hills on Friday, and little Luca was left at home while they enjoyed some quality time together.

Earlier this year a pal close to the former Disney star revealed that regular date nights (and lovey dovey lunches) help keep their marriage "spicy." The insider told Us Weekly, "Her family babysits so they can go on dates ... They make time for each other."

We're not sure what Hil was doing last night, but she definitely had a REALLY good time ... she tweeted the snapshot below and wrote, "#sober":