Taylor Swift has been bringing out her celebrity friends to make guest appearances on her current “1989” tour and Saturday’s concert on July 11 at MetLife Stadium in New Jersey didn’t disappoint.

During the exciting concert, the second of two sold-out shows at the stadium, the singer brought brought out Nick Jonas to join her for a duet of his hit “Jealous.” As you would expect, fans went wild. Check out the video below as Jonas delivers some amazing vocal chops and Swift joins along with some dancing!

After Taylor wrapped up the show, Jonas shared a picture on Instagram of the two performing together. He wrote, “Truly unforgettable night jumping on stage with @taylorswift at her sold out MetLife Stadium show.”

The “Bad Blood” singer also tweeted about the exciting concert on Sunday morning. “Last night the incredible @nickjonas sang ‘Jealous’ and 60,000 people sang it with us/screamed uncontrollably,” she said.

In addition to Nick Jonas, Swift also brought out the Weeknd on Friday night to perform his summer hit “Can’t Feel My Face,” and also welcomed the U.S. Women’s Soccer Team.

See the Instagram post below!