Kim also posted a video of the pair in them in their first costume as she tried to get them to smile for the camera.
"Okay guys, we are Pam Anderson and Tommy Lee", she said in a video posted on her Instagram Story.
Setting herself apart from the pack, the star, who was once branded "the least interesting sister to look at" by sister Kim, completed her look with wings embellished with sequins and pearls.
While attending Kendall Jenner's party on Wednesday night (October 31), Kim took to her Instagram Story to document the evening, and not many people at the party could guess who she was dressed up as. News, Kim said: "I want to apologise for what I said in a recent video post that is inappropriate and insensitive to the special needs community".
But the younger crowd wasn't too familiar with the reference, which prompted Kardashian West to document everyone's reactions on Instagram, as one millennial after the next failed the test. "Please educate yourself", one Twitter user wrote. You can't go out with a star of reality tv.
So what did her family members think of the controversy?
"Afterwards, I might let him know that I can help him communicate that a little bit better and you know, we should work on that".
The 38-year-old reality star - who has kids North, five, Saint, two, and nine-month-old Chicago with husband Kanye West - has confessed that using the word "re***ded" at Kendall Jenner's Halloween bash was a "mistake".
Khloe responded, "Ugh I hate that word! Why did I even say that?" she tweeted. I will do better! I will continue to love and appreciate because he has always defended. It has always been hard for me.