The history behind Khloe Kardashian and Tristan Thompson's relationship has been very public.
Despite cheating rumors and scandals, it seems like Thompson is trying to keep an amicable relationship with his daughter's mother.
He took to Instagram to wish Khloe a happy birthday and described her as 'a beautiful human' in the caption, with the photo as both her and daughter, True.
The special post comes just four months after they broke up.
Khloe turns 35 today.
Check out his Instagram post below.