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Demi Lovato

Christopher Polk/Getty Images

Demi Lovato is choosing to rise above. Just like a skyscraper, really.

The 19-year-old singer had a few choice words for the haters who felt compelled to criticize Lovato's weight after giving her the old once-over at the MTV Video Music Awards on Sunday.

Guess who doesn't give a crap about what you say, folks?!

"Guess what, I'm healthy and happy, and if you're hating on my weight you obviously aren't. :) ," Lovato tweeted last night after the less favorable reviews of her appearance started popping up online.

The young lady has been powering through a lot lately, and we're glad to see she's still running on a full tank.

Incidentally, we're happy to do out part: Lovato is in the running for our best-dressed-of-the-night poll after impressing in her plunging silver minidress by Mandalay.

Hey, we know hot when we see it.

WATCH: Demi dishes on her new album and life post-treatment