2.
January Jones threw it back to her days as Betty Draper on Mad Men.
4.
Salma Hayek posted this '90s photo of herself with her goddaughter.
5.
Alyssa Milano remembered when she co-starred with Arnold Schwarzenegger in 1985's Commando.
6.
Dita Von Teese shared this glam pinup from her early days.
7.
Pee-wee Herman shared this photo of himself and Eddie Murphy at the premiere of Pee-wee's Big Adventure.
8.
In honor of her grandma M.J.'s birthday, Kim Kardashian shared this cute photo of herself and Kourtney hanging out with her in the '80s.
9.
And finally, Mia Farrow posted this photo of her and son Ronan meeting Hillary Clinton back in the early '90s.