Taylor Swift and Nick Jonas teamed up for an unexpected performance of "Jealous" at the country star's gig in the Met Life stadium.
Swift, 25, who is on her "1989 World Tour" in New Jersey, surprised all her fans by bringing up former Jonas Brothers member onto the stage to perform along.
They both sang Jonas' highest charting single of 2014, "Jealous", reported E!Online.
"Unreal feeling jumping on stage with my friend @TaylorSwift13 tonight at the #1989TourEastRutherford show in my hometown. Thank you so much @TaylorSwift13 for having me. What an incredible memory..." Jonas tweeted.
"Last night, the incredible @NickJonas sang 'Jealous' and 60,000 people sang it with us (screamed uncontrollably)," tweeted the "Love Story" singer.
The "1989 World Tour" is the fourth concert tour by Swift in support of her fifth studio album, 1989, that released in 2014.
