Any First Kiss Advice PLEASE?

so me and this guy i really like are hanging this week. he is taking me to this place where we can be alone to kiss / make out. anyways.... i have never been kissed nor have i kissed anyone. im already a senior in high school which is sad for me. so i was hoping for advice for my first kiss? how do you do it? i hear it comes naturally but im still nervous and i dont wana seem like i dont know what im doing which is true haha. and do i wear lipgloss, lipstick, chapstick, nothing? any advice will be greatly appreciated!!! :)