They wanna know what we are find babtize the baby and I don't know how to tell them we decided to let her decided
Take a deep breath and remember that they love you. Religion is a hard thing in my family too, along with some other issues, but you can only do one thing at a time. And even if you're really good at multitasking, you can always just say you can only do one thing at a time. Most likely no one is going to really ask you about the religion thing anyway.
Just relax(: everything will be okay!!