Bill Murray Surprises David Letterman With More Cake Than He Can Handle

David Letterman came full circle when Bill Murray stopped by the Late Show on Tuesday. The actor was Dave's first guest on NBC's Late Night in 1982 and CBS's Late Show in 1993, so it was only appropriate for Bill to make an appearance before Dave's last episode on Wednesday. This wasn't just any appearance, though - Bill actually emerged from a large cake as the audience cheered and the CBS Orchestra rocked the house. Naturally, Bill just had to give Dave a hug . . . and then some. Watch it all ...