Article continues below advertisementJustin Timberlake is facing backlash after his performance at the Electric Castle music festival in Romania left fans wanting more.The singer went viral on TikTok following a disappointing showing during which he relied heavily on the audience to carry his hit "Don't Stop the Feeling!" The video has amassed over 1.5 million views, with many viewers expressing frustration at Timberlake's lack of engagement.Article continues below advertisementSource: MegaJustin Timberlake was called 'an absolute disappointment' by a Romanian festivalgoer.