Jenner dressed up as Aguilera in her "Dirrty" video for Halloween and Xtina liked what she saw, so she invited Kylie (Kristina?) to her birthday bash. And when it was about time for Jenner's ...

Khloé joined older sister Kim Kardashian, plus mom Kris Jenner ... Kylie for her many achievements and "unbelievable drive." "Happy birthday to my baby girl @kyliejenner!!!! You are beyond a ...