Is she a True friend?

Ever sinced i moved houses my best firends had a huge fight and didn't wanna be friends.now my friend sosuna is alone. hse called me and sayed that they were acting popualr.My friend gabi, joana, and tia said that sosuna was acting liek she was the leader ( i was the popular girl in the school and i made a grup and i was leader) of the group ,and flirting with lots of guys in my cl.Now sosuna sent me an e-mail and said wats there e-mail. then i said there my best friends and i don't want to lose them ethier. then she said i want to say sorry to them then she putted a happy face. does hse wanna make friends with them or they want to start a converstion and fight more to make it worse? i don't want to lose both of my friends. plus sosuna b-day is on sunday and i don't know wat to say to her. ahh!!! wat ot do?