She once sang ‘What’s wrong with being confident?’

And on Saturday night in New York, Demi Lovato showed that she’s proud of her fighting figure, showing off her body in a black leotard during a performance.

The Sorry, Not Sorry singer performed her hits at the Billboard Hot 100 Festival, decked out in the bodysuit with an oversize New York Mets button-front shirt worn open on top of it.

The perfectly curvy singer accentuated her legs with a pair of shiny tights and knee-high black boots as she sang for the crowd at the Jones Beach Theater

Lovato wore her brunette locks wavy for the performance which saw her performing her latest single and fan-favorite tracks.The day prior, Demi performed a mini-concert for Good Morning America which found her in the middle of a downpour during the early AM concert.

Show off: The Sorry, Not Sorry singer gave fans a glimpse of her toned-yet-curvy body

After her televised performance on Friday, Demi took a trip to Broadway to see Dear Evan Hanson.

She was seen posing backstage at the play with the show’s creator Ben Platt as well as good friend Nick Jonas.

Lovato dodged the New York City rain on Friday night with a member of her entourage holding an umbrella for her as she made her way in to the venue.

Sing it: Demi sang her new single at the gig as well as fan favorites like Cool For The Summer

The Camp Rock star wore her hair in boxer braids which were preserved from her performance earlier that day.

Lovato sported a short black minidress and denim jacket to take in the Tony Award-winning show.

The singer is in the middle of a busy promotional schedule for her new music and second collection with Kate Hudson’s athletic wear line Fabletics.

Golden girl: The former X Factor judge clutched her gold microphone for the performance