Happy Birthday my sweet Jenny Louise.
Also dont know why I call her that…but I sure do love you, she added.
The post included a clip from a Friends episode showing Anistons character complaining about her onscreen bestie.
Swipe right to see it below
A post shared by Courteney Cox (@courteneycoxofficial)
You BROKE IT!
Aniston commented on the post.
Aniston also celebrated another trip around the sun by sharing a video montage on her own Instagram page.
The way we grow older is kind of like an onion each year inside the next one.
Simply beautiful, just like you.
Thank you for sharing your words, your wisdom, and your life with all of us.
You were my favourite character in Friends!
Beautiful Jen, bringer of love, light, and joy, wrote Rita Wilson.
You have made the world a better place.
We love you so much and are so grateful for you.