OGirly, while you're trying extra hard to be polite, she is being extremely rude. You've told her you don't want to go, but she keeps bugging you about it.
You don't need to tip toe around her. You need to firmly state: "I have told you countless times I do not want to go to church. If you would like to continue our friendship, you will not disrespect me or my decisions by constantly countering them, because true friends accept each other for who they are. I haven't asked you to give up your religion."
Or something to that effect.
You don't need to tip toe around her. You need to firmly state: "I have told you countless times I do not want to go to church. If you would like to continue our friendship, you will not disrespect me or my decisions by constantly countering them, because true friends accept each other for who they are. I haven't asked you to give up your religion."
Or something to that effect.