The 19-year-old musician and Delta, 26, snapped photos at tourist spots and also posed for some with fans!
Nick has been traveling around South America playing new music for his fans.
The night before, Nick rocked the house in Sao Paulo.
Nick has also teamed up with Bayer Healthcare for the â€œSimple Inspirationsâ€ contest, which challenges people living with diabetes to motivate newly diagnosed patients by sharing their most inspirational thoughts about living with the disease.
40+ pics of Nick and Delta sightseeing inside…