1. Jane Fonda posted this photo of herself alongside the Village People in 1979, when she hosted a disco Halloween party to help raise money to promote solar energy:
2. In celebration of last Sunday's Grammys, Sofía Vergara posted this photo of herself dancing on stage with Pitbull at the 2016 ceremony:
3. While Gwyneth Paltrow posted this clip from when she dueted on "Forget You" at the 2011 Grammys:
4. Tracee Ellis Ross shared this photo of herself in high school in the late '80s, when she had let her hair go natural:
5. Trixie Mattel posted this video from the moment when she saw herself winning the crown on All Stars 3 in 2017:
6. In honor of his birthday, Rob Lowe posted this photo of himself on his 18th birthday in 1982, as well as a photo of himself now on his 57th birthday:
7. The iconic Dionne Warwick shared this photo of herself performing on a TV show in the '60s:
8. Legendary rock photographer Mick Rock posted this photo he took of Bono and Lady Gaga hanging out together in 2009:
9. Mayim Bialik threw it back to her Blossom days in celebration of the show being on available on Hulu:
Flashback to flower hats, and a character that was totally ahead of her time. By the way... #Blossom is available to stream on @hulu now!!!! 🌻 #FBF #90s4eva
10. Heidi Klum shared this video of herself rehearsing for her very first Victoria's Secret Fashion Show in 1997:
11. Pink posted this photo David LaChapelle took of her in 2001 for Rolling Stone magazine:
12. Salma Hayek shared this photo of herself signing autographs in 1999:
13. Lindsay Lohan posted this photo of herself and Snoop hanging out together in the '00s:
14. Allison Janney shared this fun photo of herself and Dolly Parton hanging out together in the late '00s:
We all need a @DollyParton appreciation post now and again. #FBF