Coffee while pregnant?

Momma Kris • Baby girl coming June 2018 💕🎀

So when I do drink soda once in a while it’s caffeine free, but lately I’ve really been craving Starbucks. I usually order a grade and really only go about once a week.

I’m just wondering if and what the harm in that is or really if I can order a larger size 😂😂😂 lmk please ladies I haven’t asked my doctor about it, I always forget lol