The Kardashian-Jenner sisters weren't the only females in the family to rock seriously sexy Halloween costumes this year.
On Monday, Kris Jenner sported a skimpy Alice in Wonderland costume that daughter Kylie Jenner shared on her Snapchat story. "Okay, mom," the 19-year-old reality star exclaimed as the 60-year-old momager struck a pose.
Clearly impressed with her mother's youthfulness, Kylie posted another photo of Kris' costume.
Meanwhile, Kylie's boyfriend Tyga sported his third Halloween getup, and matched with his 4-year-old son, King Cairo. The father-son duo both wore skeleton costumes, and Kylie snapped some videos of their adorable horseplay. "They're obsessed with each other," she exclaimed.
WATCH: Khloe Kardashian Makes Out With Tristan Thompson in Amazing Matching Halloween Costumes
The Keeping Up With the Kardashians star also dressed up her dogs as a lady bug and a bumblebee, while her older sister, Kourtney Kardashian, and her three children -- Mason, Penelope and Reign -- were the Power Rangers for Halloween.
WATCH: Kylie Jenner Turns Heads As a Sexy Skeleton at Epic Halloween House Party With Tyga and Kendall
As for Kylie herself, she celebrated the spooky holiday over the weekend and donned both a sexy skeleton costume and a "Dirrty" getup that got Christina Aguilera's approval. Check it out: