Normal
When all else fails, check the cruise line's website<http://www.celebrity.com/prepare/faq/answer.asp?s=DE6AF553C4&sid=63&fid=431>"A gentleman's choice for casual nights includes a sport shirt and slacks, while women will be comfortable in a pants suit, skirt and blouse, or casual dress.On informal nights, men are requested to wear a jacket, shirt and tie, while women may want to wear a suit or dress."
When all else fails, check the cruise line's website
<http://www.celebrity.com/prepare/faq/answer.asp?s=DE6AF553C4&sid=63&fid=431>
"A gentleman's choice for casual nights includes a sport shirt and slacks, while women will be comfortable in a pants suit, skirt and blouse, or casual dress.
On informal nights, men are requested to wear a jacket, shirt and tie, while women may want to wear a suit or dress."