I would never let my daughter wear shorts that short, and if she was wearing them, and saw an apostle, she sure wouldn't ask for a picture, yewt gear notwithstanding.
Of course, I am a old curmudgeon, not a hip, with it, how-dare-you-judge-me yewt fan teenager.
And I am sure your neice is a wonderful young lady, I am just commenting on a couple of the choices she made.