I forgot my makeup bag when we were going on our very first cruise. I got dressed that morning and very carefully put all of my make-up in the bag, and then forgot to put the bag in my suitcase. I didn't notice it until that evening when we went back to the cabin to freshen up before dinner. I panicked, before realizing that there were shops on the ship that sold make-up. But, that is not something that you want to do, if, like me, you normally by your make-up at Walmart. Trust me, they don't carry the cheap brands of make-up!
The second cruise, my husband forgot his tuxedo shirt. Thank goodness for the formalities shop!