News David Letterman Has Grown a Giant Beard and Is Now Barely Recognizable By Alex Ungerman 10:25 AM PDT, September 28, 2015 This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. 01:39David Letterman Looks Totally Unrecognizable In New Photos04:19Ed Sheeran Pranks Pal Courteney Cox With This NSFW Item and Leav…03:17Inside Rihanna and A$AP Rocky's New York City Arcade Date Night …03:15Conan O'Brien Says Goodbye to Late-Night TV After Nearly 30 Years03:07Britney Spears Appears to Speak Out About 'Pretending' to Be OK …04:03Stormi Webster Repeatedly Ignores Mom Kylie Jenner01:43Mekai Curtis Talks ‘Power’ Prequel and Playing Young 50 Cent (Ex…02:50‘My Unorthodox Life’: Fashion Mogul Julia Haart on Creating Her …03:10Jennifer Connelly Talks ‘Labyrinth’ in On-Set Interview and Call…02:152021 ESPY Awards: All the Must-See Celeb Moments From the Red Ca…02:15Prince Harry Gave Royal Family Heads Up About Tell-All Memoir14:40Peter Weber on Possible 'Bachelor' Return, Kelly Flanagan Split …03:40Pregnant Cardi B Dances Up Against Husband Offset at Daughter Ku…02:29Scarlett Johansson on Her First Comic Book Adaptation ‘Ghost Wor…02:24Britney Spears by the Numbers: How Conservatorship Affects Her $…02:34‘Gossip Girl’: New Cast Talks Kristen Bell Returning to Narrate …02:38Luke Bryan Talks Returning to the Stage and Tour Bus Life (Exclu…07:36Jerry O’Connell on Joining 'The Talk' and Anniversary With Rebec…06:16‘Loki’s Sophia DiMartino Had No Idea What She Was Auditioning Fo…03:42Scott Disick Steals Maluma’s Lady in New ‘Sobrio’ Music Video Letterbeard may not have as much ring to it as Colbeard, but it grew just the same in much the same way. David Letterman was spotted out in NYC on Sunday, sporting an impressively gruff white beard. WATCH: David Letterman Gives Hilarious, Star-Studded Farewell to Late ShowSplash NewsHonestly, all we want to do is touch it. WATCH: Stephen Colbert Shaves His 'Colbeard' in First 'Late Show' PromoThe former Late Show host has clearly become the new heir to the hair after his successor Stephen Colbert's own Santa Claus-like facial features following the end of The Colbert Report.We'll keep you updated on the growing problem among former late night talk show hosts as it manifests itself, but in the meantime, watch ET's best moments with Letterman over the years below.WATCH: ET's Top 10 Moments With David LettermanET's Top 10 Moments With David Letterman This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page.