Iggy caught lip syncing. Note how she doesn't even try to hide it.
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Britney Spears lip-syncing in concert, allegedly, as Sia's voice is heard booming in the background.
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Jimmy Fallon and Paul Rudd compete in a lip-sync off. And it's pretty epic.
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Britney Spears lip-syncing is not what you'd call a rare event. Here's another example from 2014.
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Another classic Britney Spears lip sync video. Watch that headset come loose, and yet nothing changes.
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Katy Perry lip-syncing at the NRJ Music Awards ... check it out!
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John Krasinski and Jimmy Fallon lip-sync to various pop hits. Pretty great.
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