Talk Talk: Stephen Colbert, Jennifer Lopez, Blue Man Group

Here's who's sitting down on the couch on the late night shows tonight.

• Charlie Rose: Peter Mandelson and Natalie Dessay
• The Daily Show: Tiki Barber
• The Colbert Report: Stephen Colbert
• The Late Show With David Letterman: Jennifer Lopez and Alan Greespan
• Jay Leno: Jaime Pressly, Blue Man Group, and Brady Barr
• Jimmy Kimmel Live: Sarah Silverman, Balthazar Getty, and Justice
• Tavis Smiley: Christina Lamb and Ngugui wa Thiong 'o
• Late Night With Conan O'Brien: Mark Wahlberg, Michael Strahan, and Black Lips
• The Late, Late Show With Craig Ferguson: Tim Daly, Nia Long, and Ron Pearson
• Last Call With Carson Daly: Brian Welch and Ryan Shaw