Michael Emerson yesterday with fans at Letterman in the pouring rain!

Fun Fact! Emerson considered forgoing a career in acting in favor of a more stable vocation in teaching.

Colin Farrell with Fans at David Letterman

Fun Fact! Colin Farrell was married to English actress Amelia Warner from July 2001 to November 2001. On his left ring finger, he has the name "Millie" tattooed. This tattoo was dedicated to Amelia.

Sexy Stud Shia LaBeouf outside David Letterman with fans

Steve Carell Signing Autographs for fans outside the David Letterman Show!

Just saw Ryan Reynolds in NYC!

OMGICU note: Ryan Reynolds is staring in the new movie "Green Lantern", which comes to theaters June 17, 2011!

Mario Lopez spotted near letterman