Demi Lovato: 'Who's That Boy' New Single!

Demi Lovato struts her way through LAX airport in Los Angeles on Wednesday night (September 21).

The 19-year-old musician just announced her brand-new single — “Who’s That Boy”!

“We’re in the middle of getting the treatment and things put together,” Demi dished to MTV about the video for it. “So hopefully we’ll be shooting that soon.”

So what about more tour plans? “We don’t know what the tour plans are next, but hopefully I’ll be touring soon. I’m looking forward to kind of just finding out what’s next. I don’t know what’s next �” if it’s a movie, if it’s touring, I don’t know. We’ll find out.”

TELL JJJ: Are you hoping Demi does a movie or a tour?