In this photo provided by NBC, Carol Burnett performs during the "Farewell Song" on Jay Leno's final episode of "The Tonight Show," Thursday, Feb. 6, 2014, in Burbank, Calif. (AP Photo/NBC, Chris ... more 
In this photo provided by NBC, Carol Burnett performs during the "Farewell Song" on Jay Leno's final episode of "The Tonight Show," Thursday, Feb. 6, 2014, in Burbank, Calif. (AP Photo/NBC, Chris Haston) less 
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Associated Press | Photo By NBC, Chris Haston
Thu, Feb 6, 2014 11:00 PM EST