Is this the world's creepiest selfie? Twitter freaks out over couple's bizarre photo that shows woman facing the WRONG way in the reflection

A creepy selfie posted on Twitter has been shared more than 16,000 times after users spotted the face of ghostly woman eerily appearing in the background. 

The photograph shows a couple smiling in front of a reflected mirror...but the image in the glass isn't as it should be. (Pictured: the creepy image shared by @itsthemans on Twitter)