Hi Tammy - Not a stupid question. I'm also posting last minute questions on the board too.
Answer - There are mini-fridges. Some people say they don't cool too well but on our two cruises, they were just fine to keep things cold and to actually get things cold too.
They worked fine for us EXCEPT for milk. We had an unopen carton of milk in there for a couple of days, and when my daughter did decide to drink it, it was sour (and wasn't past the expiration date).
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