My friends turn on me?

ok my friends and i have these sleepover like every week and its my friend kiaras turn now at our last sleepover a our friend named abbey couldnt go and everyone started talking about her and then we got really mad and everybody turned on her not me though ok yeah i know really lame but this friday i have gymnastics and piano so i would be gone for 3 hours and my cousins are coming from wasconsin so i cant come so i think they will turn on me heres why. lately one of my friends is very popular and she thinks she can do anything so she has been really mean and so i told her after for the third time she said my outfit was ugly i said skyler no affence but u have been really mean lately and she didnt talk then she emailed me that she tought what i said about her being mean was mean!!!!!!! can u believe that! so what do i do?!?!