Pop sensation Katy Perry was performing at the Las Vegas Resorts World show when her eye suddenly seemed to be malfunctioning during the concert leaving fans concerned. The video of her eye malfunctioning was shared online by a TikTok user called Katy Perry TV and went viral with over 17 million views in just 24 hours. WATCH: Katy Perry shows off her daughter's nurseryIn the video, Katy Perry is seen blinking with one eye while the other one remains closed and she appears to be trying to fix the malfunction by touching the side of her face. She is seen attempting this twice while staring in the same direction before she can open both eyes and then turns her head and continues. After the video went viral, Katy’s fans took to social media to express their concern for the singer with fans commenting on TikTok asking “is she ok?” and “is this for real? Really worried for her”. While many fans voiced concerns online, others speculated that the eye twitching could be due to false eyelash glue which is sticking her eye shut.The video was also shared on Twitter as concerned fans speculated what might have happened to the singer.