Weirdly Filtered Sad Nick and Charlie Images Flood Twitter as Joe Locke and Kit Conner Initiate the Banter

The sad face snapchat filter has gone viral since it’s inception. It’s a filter in the photo app that turns people’s faces into crying ones. The popularity of the filter means no celebrity is bereft of it. Fans have tried the filter on almost every celebrity in the limelight.

Heartstopper stars…