Easter?

shawn • Mom of 2. My family is everything.
So I'm still pregnant with my first child and it'll be awhile before we celebrate that kind of stuff with her. Im not atheist but I am agnostic. My very Mormon grandma thinks that if I'm not sure if I believe in God or not I can't celebrate Easter or Christmas with our daughter. Have any of you ever been told something like this? I'm not going to miss out on our daughter doing gun holiday activities, and I'm sure as hell not going make her miss out on the experience.