20 Best TV Star Throwbacks From Social Media's #OldHeadshot Day (PHOTOS)
Chrissy Metz/Jensen Ackles/Will Smith via Instagram Evan Rachel Wood/Instagram
Evan Rachel Wood (Westworld)
David Harbour (Stranger Things)
Drew Barrymore (Santa Clarita Diet)
Reese Witherspoon (Big Little Lies)
Jensen Ackles (Supernatural)
Pauley Perrette (NCIS)
Chrissy Metz/ Instagram
Chrissy Metz (This Is Us)
Johnny Galecki (The Big Bang Theory)
Sam Heughan (Outlander)
Tiffany Haddish (The Last O.G.)
Kim Dickens (Fear the Walking Dead)
Ryan Seacrest (American Idol)
Will Smith (The Fresh Prince of Bel Air)
Mae Whitman (Good Girls)
Mayim Bialik (The Big Bang Theory)
Stephen Colbert (The Late Show)
Lena Headey (Game of Thrones)
Shailene Woodley (Big Little Lies)
Zach Braff (Alex, Inc.)
Sophie Turner (Game of Thrones)
Another hashtag went viral on social media late last week, when celebrities started digging throwback photos out of storage for #OldHeadShotDay.
Many A-listers were sharing their — often embarrassing and always amusing — glamour shots from early in their acting careers. And among those celebs were the stars of our favorite shows, including Westworld, Game of Thrones, Outlander, Supernatural, The Big Bang Theory, and more.
Click through the gallery above for some truly memorable photos.
April 18 marks 35 years since the channel was launched.