10. When Kristen Bell shared this photo of her star-studded dinner party.
11. When Kourtney Kardashian dressed up as Kim at the 2013 Met Gala for Halloween:
12. When Ciara posted this creative pregnancy reveal for her and Russell Wilson's third child.
13. When Jessica Simpson marked six years of sobriety.
14. When the cast of Modern Family had their very first reunion.
15. When Harry Styles posted himself in this One Direction shirt.
16. When Uzo Aduba revealed, "I'm a mommy, you guys."
17. And finally, when Dylan Sprouse reacted to fans pointing out that his and Cole's dinner reservations from The Suite Life of Zack & Cody were finally ready, 15 years later.
What was your favorite celebrity Instagram moment from 2023? Is it something I missed? LMK in the comments below!