Katy Perry accused of lip sync during amfAR performance

Singer Katy Perry reportedly lip-synced while performing at the star-studded amfAR Cinema Against AIDS Gala in Paris.
It's revealed after videos from the event at the Hotel du Cap-Eden-Roc on Thursday, May 19 in Cap d'Antibes emerged online, reported Aceshowbiz.
Perry, 31, treated the A-list crowd to her biggest hits including "I Kissed a Girl", "Teenage Dream" and "Firework".