Quite possibly, this is the cruelest thing that you could do to someone. Particularly when you don't understand it or only know part of the truth (at best), anyway. Let people live; let people learn. (Those are not my words but well said.
Girls don't need a short and tight skirt or a low cut top to impress a guy. A girl doesn't need a lot of make up on their face to look beautiful, all a girl needs to look beautiful is a nice personality, a natural smile, and to be true to themselves.
Never mind what is. Imagine it the way you want it to be, so that your vibration is a match to your desire. When your vibration is a match to your desire, all things in your experience will gravitate to meet that match every time ⊰❁⊱ Abraham
Words to Live by as I have Learned long ago you CANNOT change another person; it is enough of a struggle to authentically change yourself yet alone trying to change someone else. Focus on being you - that is challenge enough.