updated 03/04/2013 AT 5:00 PM ET
•originally published 03/05/2013 AT 6:00 AM ET
But every mommy needs some “me” time – and on Thursday, the singer found some for herself, ducking out for a quiet bite with husband Carey Hart at Del Frisco’s Grille in Atlanta.
In town to perform for a sold-out crowd at Philips Arena, the health-minded singer, 33, noshed on Brussels sprouts and an avocado chicken wrap, asking her server to hold the bacon.
“She was very pleasant,” a staffer tells PEOPLE.