My friend?

my friend who ive been best friends with for almost 5 yrs isn't hanging out with at all anymore and shes hanging out with this girl that she met like 2 yrs ago now all the time.. i tried to be friends with her other friends but they all are just like talking to me because im friends with her.. i was homeschooled for 3 yrs so most of my old friends have new friends now.. and when jenn ( the girl i was bffs w? for 5 yrs) first moved here i introduced her to all my friends and they were all nice to her but her friends all all being really mean and talking about me or just not talking to me