DIY Tee to Cut Out Bandeau Top Tutorial from Bleached Faded here. Really easy tutorial although Id probably sew wear she has used fabric glue. I would also again wear a tank top or something under it so it's more modest.
DIY Draped Skirt…no sew. The girl in the pics is actually using an old H scarf, but any jersey fabric (roughly wide and long) will do. Just wrap, twist and tuck (and maybe add a safety pin to keep it all in place!