Friend problem this is serious please please please as many answers as possible:(:(:(?

please take the time to read this. sometimes i am up in the night crying because of this. so me, and my 4 other friends used to be so close. the clique of the grade u might say (were not mean er anything were just always together). its me, my friend verionica, blake, brook, and kate. so me and veronica have always been the closest. wev been through everything together and we always had that special bond that i had with her and not as much the other girls ( and she felt the same way ). anyways there was this other girl that me and veronica were really close too who was new at the school this year and her name was kate. we used to be so jelous of eaother when we would be around kate cuz i guess i was just jelous that veronica would start liking kate better than me because we had the special friend ship. so anyways kate started making at LOT of problems between me and veronica so me and veronica sat down and said that if we want to keep the special relationship we have we probably shouldnt hang out with kate that much anymore (and it wasnt for no reason it was also becayse kate did some pretty mean things to us asweel ). so anyways me and kate have completly grown apart for monthes now and honeslty, i miss her with all my heart. but just one thing that makes me so mad is that recently i find out the veronica tells me that shes not friends with kate, yet she always hangs out with her and i even saw a conversation of them saying :love u!! and and stuff like that. and when i ask her why she hangs out with kate she says things like: my mom planned is so its rude if i bail, or "brook invited her to come not me SHE SOMEHOW HAS AN EXCUSE FOR EVERYTHING!!!! when veronica says things like: ya i mean we dont really fight like you guys do but i just dont like her anymore and shes not mad at me so i have to pertend like nothing happened . and i dont know what to do because i want to be friends with kate too but veronica will be mad becasue aperantly shes not friends with her. and i also have really big jelously issues with when verionica is with kate or friends with kate, and with other friends and I DONT KNOW WHY. all im asking is how can i tel veronica nicly like i wanna be friends with kate again when she clames shes not friends with her BUT I KNOW SHE IS!!!!!!!! and also, how do i not be so jelous of my friends being friends??? PLEASE HELP. sometimes i cry at night because i get so stressed of being jeollous and i dont know what to do. please as many answers as possible!!!!