The 21-year-old entertainer was joined on stage by John Legend, who performed the song alongside her for the packed crowd!
“I’m a little jealous,” John‘s wife Chrissy Teigen joked to Billboard after their duet. LOL!
The Billboard Music Awards only have a few minutes left but stay tuned to JustJaredJr.com as we’re still bringing you all the performances!
Watch the video below…