Top 10 Tweets About David Letterman's Retirement Announcement

The stars appeared all atwitter about the stalwart TV host’s surprising news.

During a live taping Thursday of his Late Show, David Letterman announced that he will retire in 2015 after 22 years at the helm of that show. Here’s a retrospective of his greatest hits, and below are a litany of tweets—okay, more than 10—from his fellow showbiz stars and comedians, plus a great image from WTHR-TV of his local-weatherman days.