1. Barbra Streisand posted this epic photo of herself hanging out with Michael Douglas, Mick Jagger, Meryl Streep, and Jerry Hall in 1989.
2. Naomi Campbell took us back to the early '00s when she partied with Usher and P. Diddy.
3. Super cute: Gwen Stefani once dressed up in kimono.
4. Queen Latifah shared this photo of her and Oprah in the mid-'90s.
5. Madonna reminded us that she did the whole "stick-out-your-tongue-for-the-camera thing" long before Miley Cyrus was even born.
6. Solange once channeled '70s-era Diana Ross.
7. Paul McCartney once performed with the iconic poet, Allen Ginsberg, at the Royal Albert Hall in London in 1995.
8. Sofia Vergara was reminded of her late '90s Miami days.
“@vaethecrip: On God "@SilentNegus199: Been in love with @SofiaVergara since soul plane lol "”hahajajja Miami days!
9. Even at 15, The Rock was still a big dude.
10. Thomas Lennon shared this awesome photo of his comedy troupe The State.
Courtesy of @mshowalter -- here's The State, NYC, early 1990's. #tbt
11. Mary J. Blige looked oh-so-'80s in her sunglasses and striped polo.
12. And finally, Elvira paid tribute to her late friend, Jan Hooks.
#TBT Will miss my old friend and Groundlings alumnus, Jan Hooks. RIP #JanHooks #throwbackthursday