Just to vent idk

I struggle with social anxiety alot and school makes it worse i have been the friend that always gets left out and it still happens and wont stop they always plan stuff infront of me dont even care to ask me if i want to come and mostly ignore me and it has happened since this girl joined our group i dont have anything agianst her at all were friends but im so jealous of her they care about her alot shes able too socialize so easily with people but because of my social anxiety im not that social and mostly dont know what to say im just so jealous of her i wish i was like her shes just like everything i want to be she fits in the group so well she has a style which fits in with them and all that and its just sad always being left out also with my other classmates they always plan to go out but they never ask me they will even talk abt it with me but ask anyone but me because of this i dont even want to be in my class anymore at all im so sick of it its hurting me so bad