Stars who lip-synch have taken a lot of heat over the years. Here's what Pink had to say about it after this year's Grammys.
On TV: Ashlee Simpson had a lip-synch fiasco (watch). Her response?
At awards shows: One of the most extreme examples of lip-synching is credited to this Grammy-winning duo. Twenty years later, one of them has spoken up.
In news stories: Although this pop star has been called one of pop's most notorious onstage lip-synchers, that hasn't stopped her from being a superstar. Her response?
On stage: Another star has caught lots of flak for lip-synching in Australia. Her response?
At games: This highly regarded singer lip-synched at the Super Bowl in 2009 (watch), and so did this one (watch). Did Whitney Houston lip-synch her famous 1991 anthem (watch)?
What did Super Bowl producers say?
More sports: Remember the lip-synching scandal at the Beijing Summer Games?
How did the Chinese government react? (Recent lawbreakers)
In politics: The lip-synching equivalent for musical instruments is called this. What role did it play at Obama's inauguration?
Opponents: Still, some musicians frown upon lip-synching, including this rock legend.