Does Taylor Swift lip sync in concert? $2 Billion for miming?

Wings of Pegasus seems to prove that she does.


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If one watches and understands the video, it is really obvious. I have perfect pitch, but if I sing the same song five times in a row I will have have variances that make it obvious each is a separate take. Not even Julie Andrews in her prime could magically make several different takes at different times that would be identical to the 1/100th of a second.
Does Taylor Swift lip sync in concert? $2 Billion for miming?
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