12.12.12

Late Night: Jon Stewart Does His Best Eminem

'The Daily Show' host showed his solidarity with Michigan unions by performing his best Eminem-style rap, 'Les Miz' star Amanda Seyfried conceded she had three drinks before her interview with David Letterman, Anne Hathaway and Jimmy Fallon sang Mad-Libbed Christmas karaoke, and more in the best of last night's late night.