A bakery employee shared this tale of a cake mixup that must have been the most embarrassing day this customer ever had. At least this worker never let it leave their memory — it's just too funny! Birthday parties are definitely one of the most fun parts of childhood, whether you were blowing out your own candles, or visiting someone else's house to give them gifts. But in all the commotion of parties, do kids really care about or notice their birthday cake? I don't think so, but this one woman…