What friend do i go withh ?

okaay this is all girl problemss lol and it gets confusing and annoying ... me and my friend kelly and brittney planned to go trick or treating and to hang out on hallwoeen . but i noticed brittney is lying to mee alot and talking about me behind my back. then she lied to my friend jess saying i hated her and stuff and she told me jess didnt want me to sleepover one night... kelly and britney dont wanna go with jess at all .. anyway right now im really really mad at brittney for lying and talkibg about me and stuff.. so i feel weird going with themm .. so i told kelly i wasnt gunna go with them bc i felt weird and shes begging me to go with them still .. then jess asked me if i wanted to go with her .. i feel bad for jess bc they told she couldnt go with them and brittney told her i hated her.. so i kinda wanna go with her and so i dont feel weird.. but the thing is.. kelly and brittney will get mad at me sinse i told them i was going with themm.. lol who do i go with !?!? pls help lol