The new dress code, which the line calls evening chic, is dressier than the "smart casual" attire recommended for most evenings but less dressy than formal attire. The change, driven by the line's evolving passenger mix, is designed to enable passengers to express their own sense of sophistication, Brian Abel, vice president of hotel operations for Celebrity Cruises told Cruise Critic exclusively. 

Where one couple might feel most glamorous in a tuxedo and gown, another might feel more elegant in a sport jacket and designer black jeans and a flirty sundress.

"As we're watching our guests, we see this is how they're vacationing. They are becoming more casual but at the same time, still sophisticated