This isn't a giant boy being kissed on the cheek. Look closer. The "big" boy is taking the pic. And there is another boy behind the "big"boy. And so that's why it looks like the girl is kissing that boy.
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!