Famous lip-syncers caught in the act

POSTED: 01:38 PM PST Jan 30, 2013    UPDATED: 10:29 AM PST Jan 23, 2013 
Beyonce sings national anthem, inauguration

There has been much discussion this week about whether or not Beyonce's soulful and pitch-perfect performance of the “Star Spangled Banner” at President Obama's inauguration was lip-synched. Take a look at other famous lip-synching controversies.