The Jonas Brothers singer—clad in a Boot Hill Saloon tank top and black shorts—is seen carrying his baby girl in an IKEA wicker basket through Central Park. Malti, dressed in gray overalls from Rylee + Cru and a pink headband, comfortably sat inside for the ride.
Other photos from the day show Priyanka, wearing a cropped white shirt and denim shorts, standing nearby Malti as the little girl explored some of the iconic rock formations. The couple was also photographed holding hands with Malti as they took a stroll down a street.
Priyanka captioned her Aug. 21 Instagram carousel, which also featured photos of Malti playing with toys and gazing at a skyline, "August magic."
The brothers rang in the big day with a message posted to Instagram on Aug. 12, writing, "Tonight is a celebration of the journey we've been on for the last 18 years with you!"
As for Nick, the "Jealous" singer marked the beginning of the milestone tour with a special shoutout to his biggest fans.
"From sound check to the stage with my girls," he wrote alongside photos of Malti and Priyanka. "Yankees night one was beyond words. Can't wait for night two tonight."
Keep reading for more sweet looks into Nick and Priyanka's family life.