Demi Lovato & Joe Jonas Team Up For Secret VS Project in St. Bart's

Demi Lovato changes out her mic pack while soundchecking for an exclusive concert with Victoria’s Secret in St. Bart’s on Tuesday night (December 15).

The 23-year-old musician was joined by her boyfriend Wilmer Valderrama and DNCE‘s Joe Jonas.

PHOTOS: Check out the latest pics of Demi Lovato

The day after, Demi was spotted filming a little something for the upcoming event.

“#somethingbigiscoming16 #CONFIDENT,” Demi teased on Instagram with polaroids from a little party with the Angels.

She added with a pic of Joe, Stella Maxwell and Sara Sampaio, “What a stud… I guess you never forget how to a bike…”

15+ pictures inside of Demi Lovato and Joe Jonas…