The two, who recently returned to New York after a vacation in India and then a brief stopover in Brazil, were spotted spending quality time with Nick's family as they went cycling.
According to E! Online, Priyanka and Nick went cycling with the singer's brother Joe Jonas and his fiancee, Sophie Turner.
Twinning in white, the alleged couple was also snapped holding hands.
The two have been romantically linked ever since they walked the 2017 MET Gala red carpet together.