A pair of twin sisters stand on both side of a see through glass in a restroom doing their make up, pretending one of them is the image of the other to fool people who walk in thinking they are invisible.
Hit the jump to watch the funny video; this prank is absolutely hilarious.
source: http://funkydowntown.com/hilarious-funny-restroom-toilet-mirror-prank-ghost-twins-make-up-fool-other-people-video/#ixzz0nAnN4I31