How to tell my best friend to stop being so jealous?

How do I tell someone who brags about herself non stop, is a want to be who says that persons name MORE than 100 times a day in a role [for instants christa christa christa christa christa christa] , who is mad that I won something she wanted to win badly [not 2 brag are and e thing...] , who hits on EVERY BODY AT FRIGGEN SCHOOL, EVEN THE people WHO LOOKS LIKE A CHICKEN, who actually COPIED THE want to BERs [if thts even a word! lol] CLOTHS, AND LAST BUT NOT LEAST [ it bothers me most other than her moning and whining about not winning-see retarded person Q #3 please lol] SHES JEALOUS!!! okay bac to the Q. How do I tell her to stop??? in a nice way, yet she sees how I feel [ shes my bff also.] from listening to her.

people lead by example if she keeps talking about herself then slowly move the conversation towards you and see how she will react if she does then it should get her to unserstand the position you are in listening to her always brag and talk about herself. Another suggestion is to while you guys are talking say things like I always hate people who talk and brag about themslevs don't you. that way she may realize that when she talks about herself nobody wants to hear it anyways good luck