1. Shawn Mendes posted this photo of himself from the early '00s, when he was already rocking his earring:
2. Alex Rodriguez posted this interview clip from 1998, where he says that his dream date would be Jennifer Lopez!!!
3. In honor of Tom Holland's 23rd birthday, Naomi Watts shared these behind-the-scenes photos taken on the set of their 2012 movie, The Impossible:
4. Mandy Moore posted this cover of Twist magazine from the early '00s, where she was giving some sage advice:
5. Dolly Parton shared this '80s GLAM photo of herself:
6. Kristin Chenoweth posted this pic of herself with Nick Jonas at an event in 2012:
In honor of #HappinessBegins... hey @NickJonas! 👋 #TBT @JonasBrothers
7. Shania Twain looked back at some of her favorite performance looks throughout the years:
8. In honor of what would've been her father Tony Curtis's 94th birthday, Jamie Lee Curtis posted this picture of them with her sister Kelly in the early '60s:
9. Mariah Carey remembered when she sang "America the Beautiful" at the 1990 NBA Finals:
10. In celebration of his 52nd birthday, Anderson Cooper shared these photos of himself from throughout his life:
11. Ricky Martin posted a semi–thirst trap for his #TBT:
12. Josh Charles posted this photo from his film Dead Poets Society in honor of the classic film's 30th anniversary:
13. Demi Moore shared these beautiful proofs taken in the early '90s:
14. Chris Evans shared another ~amazing~ late-'90s headshot:
“Sleeves?? Nah, bro. Fuck that noise.” Another headshot slam dunk during my late 90’s quest to corner the ‘asshole’ market. #TBT