Istiadat perkahwinan Di Raja antara Puteri DYMM Seri Paduka Baginda Sultan Haji Ahmad Shah Al-Musta'in Billah ibni Almarhum Sultan Abu Bakar Riayatuddin Al-Mu'adzam Shah dengan kerabat Di Raja Kelantan yang berlangsung di Istana Pekan, Pahang. Mengikut istiadat Di Raja dan dihadiri  tetamu- tetamu ternama dari seluruh Negara.

The Royal Wedding of the King and Princess of His Majesty Sultan Haji Ahmad Shah Al-Musta'in Billah ibni Almarhum Sultan Abu Bakar Riayatuddin Al-Mu'adzam Shah with his Royalty King who was held at Istana Pekan, Pahang. Royal ceremony and attended by renowned guests from across the country.