Early ASF Halloween costume plan!!

Ik itz like supes early for Halloween stuf but since some stores where I liv r ALREADY selling Halloween candy(itz weird IK 0_o) I should decide wat mai costume iz!! My original plan wuz trickster Roxy but dis is mai FIRST cosplay!! So imma just do Nepeta <33!! Now my only probs r figuring out how 2 attach the horns to da hat and convincing my mom to let me do dis & not sum boring store bought 1!! >:<