The two posts of Hailey in a row also got fans chatting, since the "Baby" singer used to post family pics less frequently. "Girl stop posting urself on his acc," quipped one. "Give that man his phone back," joked another.

The Biebers usually favor their own individualistic approach to fashion—but date night brought a united sartorial front.

Date night is always a great excuse to slip into something sexy, but some nights, the occasion is really about just hanging out together and grabbing some good food.