VIDEO : Christina Aguilera Loves Kylie Jenner's Halloween Outfit

Christina Aguilera just gave Kylie Jenner her costume seal of approval. Over the weekend Kylie dressed up just like Christina in her 2002 "Dirrty" music video and pretty much won Halloween! Kylie looked just like Christina in her bikini top and leather chaps. So when Christina saw Kylie's epic costume on Sunday, she responded by reposting a photo of the Keeping Up With the Kardashians star on Instagram.