Yup, I've done that twice now. It still shows up as whatever flavor you chose as the larger bottle on your receipt, but the bottle itself will be labeled properly.
I really need to order a big bottle of Pun'kin and more White Rabbit, and I've been meaning to try the rest of the regular lineup that I haven't tried yet (AQM, Afternoon Tea, B&W and Frost Blossom). Unfortunately, I think I'm going to be responsible and wait until next week to order. I've really been going overboard lately, and I still have plenty of juice to last me at least a few months without even ordering anything.