There are 4 formal nights, 4 informal nights and 6 casual nights, P&O's website is really useful for this kind of information if you search for your cruise (as if you were looking to book one) and in the 'cruise summary' is all the information you need.
On a one week cruise she will have Two formal nights, 3 informal and two smart casual. Double this up for a 14 day crusie.
Royal Caribbean - Ovation of the Seas - 08 Mar 18 - 33nts
UK : Sydney : Milford Sound : Doubtful Sound : Dusky Sound : Dunedin : Wellington : Napier : Picton : Sydney : Brisbane : Darwin : Kuala Lumpur : Singapore : UK
Now from £3099pp
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Cunard - Queen Elizabeth - 28 Nov 2017 - 10nts
Southampton : La Coruna (Spain) : Malaga : Gibraltar : Lisbon : Southampton
Now from £689pp Was £1149pp
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MSC Cruises - MSC Preziosa - 27 Sep 17 - 7nts
Southampton : Bruges : Amsterdam : Hamburg : Paris (Le Havre) : Southampton
Now from £399pp Was £799pp
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