The 31-year-old reality star helped throw a party for the 26-year-old Houston Rockets player on board a luxury yacht.
The entire group had a blast taking pics in the photobooth and then sharing them on social media.
Kim shared a particularly funny Instagram photo of mom Kris sleeping on her husband Kanye!
“Rager!!!! 🎉🎈🎊🎂,” she captioned it.
10+ pictures inside of Khloe Kardashian celebrating boyfriend James Harden‘s birthday with friends and family… More Here! »