Over the past week or two, you might have seen a version of this video floating around from Norwegian user CathyMay15:



Catherine's Outhere Boys cover quickly spread across pop culture blogs and social media in March becoming a hit in places nearby and far away from Trondheim, Norway. Today, three of her videos are among the Most Shared in Sweden.

Meanwhile, a trend of parodies appeared on YouTube of other users doing their best Catherine impression -- some are more disturbingly convincing than others -- but perhaps the best reactions are from CathyMay15 fans that are just following instructions. Here are seven different examples:



(Use the arrows to navigate between videos or watch them all here.)