Bea Miller Joins Demi Lovato on Stage for 'Yes Girl' Duet - Watch Now!

Bea Miller takes the stage during Demi Lovato‘s set on the Future Now Tour on Sunday night (August 21) in at the Key Arena in Seattle, Wash.

The 17-year-old former X Factor finalist was invited to sing a duet of her single “Yes Girl” with Demi, which you can watch below.

“At one point on the tour, she went out of her way one of the nights � I think it was the second night � and when I came offstage, she was standing there, and she had taken the time to listen to my whole set,” Bea recently told People about how she and Demi got close. “That’s just the kind of person she is. She’s one of the most amazing people in my life, and she is definitely the kind of person who’s there for you when you need something.”