First and foremost, let us say that Crystal Amber Montgomery is stronger than we'll ever be. We can't even imagine fighting cancer at 18 years old. Her strength is an inspiration.
We're not the only one to notice that, either. Justin Bieber has seen it too!
Justin surprise-visited Crystal at the Cross Cancer Institute in Edmonton before his show in the city that night, spending time with her in the facility before tweeting a pic of them together.
It's what he meant when he tweeted earlier:
"Now off to do something that matters."
We LOVE that he makes the time for things like this, knowing full well he has a jammed-packed schedule!
We hope the show went well, Justin — and we hope things get better for you, Crystal!
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[Image via Instagram.]