John Krasinski @ Letterman

The Office‘s John Krasinski arrives at the Ed Sullivan theater in NYC for a taping of The Late Show with David Letterman on Tuesday. Watch his appearance tonight on CBS @ 11:35PM ET/PT — he’ll be pimping his summer comedy License to Wed!

Studio 60 star Amanda Peet will also be making an appearance on tonight’s episode. The NBC series has been canceled but the series finale will air on Thursday, May 28 @ 10PM ET/PT. Amanda has a 4-month old daughter Frances Pen Benioff. (The baby’s middle name is in honor of Amanda‘s mom, Penny.)

UPDATE: What happened to Krasinski‘s hair??????????