Nicole Richie showed off her three-month-old daughter, Harlow, at Baltimore-Washington International Airport on Monday.

Richie was traveling with beau Joel Madden, who is on tour with his band Good Charlotte.

The new mom, who flaunted her post-baby bod in tight jeans and a loose sweater, browsed magazine racks while Harlow, in a gray-striped onesie, snuggled against her.

Madden pushed the stroller, and even popped his daughter’s pacifier in his mouth at one point.

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