The 23-year-old crooner attempted to go incognito with a baseball cap, but was still spotted by a fan while riding a roller coaster alongside Hudson.
Nick Jonas and Olivia Culpo have been dating since 2013.
More About Age: 24 Birthplace: Cranston, Rhode Island, United States of America Credits: Miss Universe 2015, Miss Universe 2013, The 2012 Miss USA Pageant, Behind the Dress From 2011 - 2012, Nick Jonas was in a relationship with Delta Goodrem.
Priyanka wore a gorgeous shimmery black and golden dress to the show.
The racer-back on the dress showed off her toned arms and shoulders.
More About Age: 32 Birthplace: Sydney, Australia Profession: Pianist, Musician, Singer-songwriter, Actor, Singer Credits: Neighbours, The Voice, Hating Alison Ashley, The Silic & Lee Show at the Logies: Red Carpet Special 2012Also Ranked #62 on The Greatest New Female Vocalists of the Past 10 Years Nick Jonas was rumored to be dating Samantha Barks from 2010 - 2011.