A tuxedo is not required on most cruises but if you would like to dress up, many cruise lines offer tuxedo rentals.
Formal clothing men can wear: Tuxedoes, suits, button-down shirts, slacks, nice jeans.
Formal clothing women can wear: Gowns, dresses, skirts, blouses, dress pants.
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Call 800-820-2816 to speak to a travel agent.