I’m sure just about everyone over the age of 20 has heard of Millie Vanilli who, in 1990, were outed as lip syncers and not the actual vocalists for any of their music. At the time it was just sort of a funny “gotcha” moment, and most people moved on. What they didn’t realize is that that kind of manipulation is rampant in the pop music industry.
This video from RT goes into great depth about how the music industry can make anyone with a voice sound like an angel. This is all the proof you need to know that it’s completely fake.