1. Mandy Moore took it back to 2001 and shared a series of behind-the-scenes photos taken on the set of A Walk to Remember:
2. Mandy's costar, Shane West, was also reminiscing about A Walk to Remember and posted a behind-the-scenes photo taken on the first day of filming:
#tbt ....to day one.... #awtr
3. Kim Kardashian shared this photo of herself and Kourtney in the late '90s:
4. Orlando Bloom posted this photo taken on his 21st birthday, when he was filming Lord of the Rings:
5. Barbra Streisand shared this photo of herself and Judy Garland taken on the set of The Judy Garland Show, in 1963:
6. Alyson Hannigan posted this How I Met Your Mother #TBT:
#FBF to our "college" look. @jasonsegel @JoshRadnor
7. Tracee Ellis Ross shared this photo of herself (right) alongside her sisters Rhonda and Chudney, and their mother Diana Ross in 1975:
8. In honor of the 18th anniversary of the show Reba, Reba McEntire posted this cast photo from the first season:
9. Kermit the Frog shared this photo of himself alongside the legendary Vincent Price on the set of The Muppet Show in 1977:
10. Dolly Parton posted this photo from when she first performed as a member of the Grand Ole Opry, 50 years ago:
11. In honor of the 24th anniversary of the release of No Doubt's Tragic Kingdom, Gwen Stefani shared the album cover for it:
12. Lin-Manuel Miranda posted this super adorable photo of himself in the early '80s:
Gnight. Hope you had a good picture day.