I Really Need A Tutu Dress For Graduation?

Well..I've looked all over google in search for a black tutu dress and most of them are strapless and for woman..I'm 110 pounds and I dnt think those big ed dressed would fit me..and I. Don't like strapless.. I prefer straps better.. I'm. Not graduating soon I still want to be ready for june..I'm in 8th grade XD pls help..?