Wearing any type of tux will make you stand out. So few people wear them it seems anymore. My last cruise I didnt see a single guy in one. If you are so inclined go for it. You will look sharp and you will catch the ladies eyes for sure.
2008-Valor and Glory
2009-Spirit and Splendor
2010-Freedom of the Seas and Mariner of the Seas
2012-Allure of the Seas and Navigator of the Seas