Demi Lovato: Hammerstein Ballroom Concert Pics!

Demi Lovato strikes the stage with confidence as she performs at the Hammerstein Ballroom on Saturday night (September 17) in New York City.

The 19-year-old musician tweeted before she wowed the crowd, “Listening to my fans sing to the pre-show playlist from my dressing room… Getting SO pumped!!!!”

JJJ was at the concert tonight — did you follow our tweets? She performed “Unbroken,” “Skyscraper,” “Together,” “Remember December,” “How To Love,” and tons more!

15+ pics inside of Demi Lovato live at the Hammerstein Ballroom…