1. Liam Hemsworth shared a photo of when he and Miley Cyrus first fell in love — on the set of their 2010 film, The Last Song. Liam Hemsworth / Via instagram.com 2. Rashida Jones posted the ULTIMATE ’90s photo, which featured herself (right) alongside Gwen Stefani, her sister Kidada, and Aaliyah, all decked out head-to-toe in Tommy Hilfiger! Rashida Jones / Via instagram.com 3. Hilary Duff shared her adorably awkward Glamour Shot. Hilary Duff / Via instagram.com 4. Mindy Kaling posted an awesome pic of all the writers of The Office. Mindy Kaling / Via instagram.com 5. Reese Witherspoon was in a back-to-school mood when she shared this cute photo of herself on the first day of school. Reese Witherspoon / Via instagram.com 6. Oprah Winfrey celebrated the 30th anniversary of her former talk show by posting this pic from the very first episode. Oprah Winfrey / Via instagram.com 7. Enrique Iglesias took us back to 1995 when his debut album dropped. Twitter: @enriqueiglesias 8. Nicole Richie posted this too cute photo of herself being carried by her dad, Lionel Richie. Nicole Richie / Via instagram.com 9. Sarah Michelle Gellar reminded us that she and hubby Freddie Prinze Jr. are RELATIONSHIP GOALS with her photo of the two of them at the 2000 MTV Movie Awards. Sarah Michelle Gellar / Via instagram.com 10. Kourtney Kardashian remembered when she had blonde ambitions in the late '90s. Twitter: @kourtneykardash 11. Chelsea Clinton celebrated her dad's 70th birthday with a very sweet photo of both of them in the early '80s. Twitter: @ChelseaClinton 12. Ellen DeGeneres took it back to her very first show in 2003. Twitter: @TheEllenShow 13. Jenna Dewan celebrated the 10th anniversary of Step Up by sharing this photo of her and husband Channing Tatum on set. Jenna Dewan / Via instagram.com 14. Elton John shared a photo of himself with fellow icons Diana Ross and Cher. Twitter: @eltonofficial 15. Alyssa Milano remembered when she co-starred with Arnold Schwarzenegger in 1985’s Commando. Alyssa Milano / Via instagram.com 16. Blake Lively posted this epically early ’90s photo of herself in a Little Mermaid-themed photo complete with sideways ponytail. Blake Lively / Via instagram.com 17. Ben Affleck remembered the time BFF Matt Damon gave him a birthday cake facial in the late ’90s. Ben Affleck / Via instagram.com 18. Parker Posey shared a photo of herself and her co-star, Joey Lauren Adams, hanging out on the set of Dazed and Confused in 1993. Twitter: @parkerposey 19. Paul McCartney shared a behind-the-scenes pic from the photo shoot for the iconic cover of the Beatles' Abbey Road album. Twitter: @PaulMcCartney 20. Amanda Seyfried posted her very first early '00s headshot. Amanda Seyfried / Via instagram.com 21. Kirsten Dunst shared a photo of her and co-star Brad Pitt promoting their 1994 film, Interview with the Vampire. Kristen Dunst / Via instagram.com 22. Beyoncé paid tribute to the late, great Aaliyah. View this photo on Instagram Instagram: @beyonce 23. John Krasinski remembered a CLASSIC Jim Halpert prank. John Krasinski / Via instagram.com 24. Gillian Anderson had a little fun and posted a photo of her X-Files co-star, David Duchovny, shirtless and looking very early ’90s-ish. Twitter: @GillianA 25. Michelle Trachtenberg posted a photo from her childhood modeling days. Michelle Trachtenberg / Via instagram.com 26. Amy Schumer shared a photo of her and younger sister Kim posing in front of a Dirty Dancing poster in the late '80s. Amy Schumer / Via instagram.com 27. Madonna posted a photo of herself in the early '80s, when she was still a struggling artist living in New York's Lower East Side. Madonna / Via instagram.com 28. Ryan Reynolds (left) remembered when he visited Knott's Berry Farm in 1980. Ryan Reynolds / Via instagram.com 29. Barbra Streisand looked back at her classic romantic hit film, The Way We Were. Barbra Streisand / Via instagram.com 30. Christina Aguilera shared a photo from the Back to Basics era. Christina Aguilera / Via instagram.com 31. Halle Berry posted this super cute elementary school photo of herself. Halle Berry / Via instagram.com 32. James Franco remembered when he portrayed James Dean in the 2001 TV movie, James Dean. James Franco / Via instagram.com 33. James Marsden shared a photo of when he met Beyoncé in the early '00s. James Marsden / Via instagram.com 34. Justin Theroux shared a photo of himself with his good friend Amy Sedaris. Justin Theroux / Via instagram.com 35. Kellan Lutz (left) posted an epically late-'80s pic of himself with his older brother celebrating Easter. Kellan Lutz / Via instagram.com 36. Lenny Kravitz shared the most rock 'n' roll photo ever: Hanging out with Slash on the set of Guns N' Roses' "Always On The Run" video shoot in 1991. Lenny Kravitz / Via instagram.com 37. Chris Hemsworth (in the middle) shared a pic of himself, his dad, and his older brother, Luke Hemsworth, going out for a swim in the mid '80s. Chris Hemsworth / Via instagram.com 38. Lupita Nyong'o shared a photo of when she portrayed Cinderella in a high school theater production. Lupita Nyong'o / Via instagram.com 39. David Beckham posted a photo of his wedding day with wife Victoria. David Beckham / Via instagram.com 40. Kim Kardashian (left) honored her sister Kourtney's birthday by sharing a very cute photo of themselves wearing matching outfits. Kim Kardashian / Via instagram.com 41. Drake took us back to his days as Jimmy on Degrassi. champagnepapi / Via instagram.com 42. Salma Hayek gave us a glimpse back to the '90s with this still from her 1997 film, Fools Rush In. Salma Hayek / Via instagram.com 43. Naomi Campbell shared a classic '90s photo of herself with fellow supermodels Stephanie Seymour, Cindy Crawford, Tatjana Patitz, and Christy Turlington. Naomi Campbell / Via instagram.com 44. Aziz Ansari shared a very cute photo of himself taken at a Sears Photo Studio (very '80s, of course). Aziz Ansari / Via instagram.com 45. Drew Barrymore was feeling so, so '80s with this photo featuring herself, Rashida Jones, Quincy Jones, Kidada Jones, and E.T. Drew Barrymore / Via instagram.com 46. Pee-wee Herman shared this fun photo of himself miniature golfing with fellow '80s icon, Cyndi Lauper. Pee-wee Herman / Via instagram.com 47. Hugh Jackman reminded everyone that he once played Gaston in the Australian production of Beauty and the Beast in 1995. 48. Mandy Moore brought on the waterworks with this photo from A Walk To Remember. Mandy Moore / Via instagram.com 49. And finally, Britney Spears took us back to the early '00s with this photo of herself just chilling with Leonardo DiCaprio. Britney Spears / Via instagram.com For more Best Of 2016 content, click here!