1. Justin Timberlake gave us a sneak peek at a writing session:
2. A pre-show celebratory drink backstage:
3. And was reunited with his one true BFF, Jimmy Fallon:
4. Sarah Silverman took a moment to celebrate the queens from backstage:
Be still, my heart! @SarahKSilverman watches Tina, Amy and Jane from backstage at #SNL40.
5. Pool boy Bradley Cooper and The Californians studied their lines before their sketch:
6. And Olivia Pope made sure it was handled:
7. Ana Gasteyer, Will Ferrell, and Peyton Manning took the elevator up to 8H together:
8. Jerry Seinfeld fangirled over Paul McCartney:
9. And Jay Pharoah fangirled over his idol, Eddie Murphy:
10. Kerry Washington took a selfie on the red carpet:
11. Ana Gasteyer rocked her enthusiasm on her nails:
12. And Martin Short got ~crazy~ in his dressing room:
Martin Short doing Coke before the SNL 40th.
13. Will Ferrell and Kevin Nealon posed with Debbie Downer backstage:
14. Seth showed off some shiny ~new doors~ on set:
15. And Kanye had a Wayne's World moment:
Party time excellent!!!!!
16. Chris Kattan showed off his prime seating:
How cool? I'm seated indirectly behind #Spielberg and #Lucas at #SNL40
17. David Spade gave us a sneak peek of a ~spectacular~ sketch cast:
18. And also ate Chipotle in the studio while watching Paul McCartney rehearse:
19. Emma Stone payed homage to the great Gilda Radner:
20. Miley Cyrus took an important pizza break with her BF:
21. And Adam Sandler put his last touches on Opera Man:
22. The best Bills posed together backstage:
23. Ana Gasteyer and Amy Poehler were dressing-room buds:
24. And Kristen Wiig prom-posed it up with the one and only Greg Stink:
25. Bobby Moynihan showed off his Left Shark moment:
When I was a kid I told my Mom I wanted to be on SNL. Tonight I was the Landshark. I am very thankful today. #SNL40
26. Kristen Wiig made us all wish we were partying backstage:
27. Chris Rock hung out with Kimye:
Yes, that's @chrisrock hanging out with @kanyewest and @kimkardashian at #SNL40.