I need help?

I have cut a girl out for many years and I have become her friend again. We grew up together but I found out that she has a bad side of turning people against each other. She is a great fun and takes me out of my comfort zone when we are friends like holidays etc. But she has a side where she is just copies me and also is very envious where she gets jealous of everything. I think she is also narcissistic and when I wasn’t talking to I didn’t realise at the time that she was indirectly making me jealous by becoming friends with everyone I know and going places with them so I can here about it. Should I take this girl out of my life completely.