'Late Show' Hosts David Letterman & Stephen Colbert Reunite in Rare Pic

Stephen Colbert becomes emotional as Blues Clues star Steve Burns surprises him on his show

Stephen Colbert Gets Hug From Original 'Blue's Clues' Host After Watching His Emotional Video

Dylan Penn is chic in an LBD as she's accompanied by dad Sean Penn on way to Stephen Colbert in NY