Kylie Jenner posted the picture on her Instagram page with the following “4am with bae”. That caption got lots of people shouting.
Personally I would not at all be surprised if one day Kylie Jenner comes out and declare that she is a lesbian or even bisexual. These days celebrities are all turning out to be either gays or lesbians. A change that sometimes is just too sudden.
Anyways only Kylie Jenner knows if she is a lesbian or not.