Wear what you want.
Have fun. enjoy your vacation.
If someone is up-set with your attire, God bless them. They are fortunate in not having any problems to worry about.
Most of us have other issues that are a lot more important.
Carnival Liberty New Year's Eve 2007
Liberty of the Seas 5/2008+11/2009
Allure 1/16/ 2011
Independence of the Seas 12/29/2013 Top-notch!