TikTokers have amassed millions of views doing the "silhouette challenge," but many are warning others to participate with caution. @mrsmosquito/TikTok The "silhouette challenge" has gone viral on ...

The "silhouette challenge" has gone viral on TikTok, with people obfuscating their bodies and posing. Many pose in tight or little clothing while silhouetted. Tutorials to remove the filter, and ...