I give you a list of my favorite musical Late Night moments.

Stephen Colbert sings Rebecca Black's Friday

Lip Sync Battle with Joseph Gordon Levitt and Stephen Merchant

Evolution of Mom Dancing with Michelle Obama

Bruce Springsteen and "Bruce Springsteen" singing Born to Run

Jimmy Fallon, The Roots, and Mariah Carey sing All I Want for Christmas while playing classroom instruments

Finally, his farewell to Late Night with the Muppets.

Post your personal favorites in the comments!