Last night Carrie Underwood rocked the Ed Sullivan Theater with her Live On Letterman performance that was broadcast around the world. A couple hundred lucky fans got to sit in for the concert but all Carrie fans had the chance to watch her on webcast - and watch they did. On Twitter, the hashtag #LiveOnLetterman trended worldwide during Carrie's performance.
To see what songs she did and to watch more of her on stage, check out Live On Letterman. Also, don't forget to vote in the poll for your favorite Carrie song!
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