1. John Stamos shared this photo of when he and Heather Locklear appeared on Dick Clark's New Year's Rockin' Eve in 1987.
2. In honor of their 20th wedding anniversary, Will Smith shared this photo of him and Jada on the big day.
3. Ryan Reynolds gave us very '90s #TBT.
4. January Jones shared this cute family photo from the early '80s.
5. Paul McCartney posted this photo of himself (taken by his late wife Linda) in 1968.
6. Rashida Jones remembered the time Martin Scorsese photobombed her at the Golden Globes.
7. Naomi Campbell shared this striking photo of herself from the '90s.
8. Sarah Michelle Gellar shared this photo of herself from the early '90s.
9. And finally, Susan Sarandon shared this photo of her and Geena Davis on the cover of Time magazine in 1991.
June 24, 1991 #TBT https://t.co/NrIXNC4Yar