Dua on the wedding night
اللّهُـمَّ إِنِّـي أَسْـأَلُـكَ خَيْـرَها، وَخَيْـرَ ما...
اللّهُـمَّ إِنِّـي أَسْـأَلُـكَ خَيْـرَها، وَخَيْـرَ ما جَبَلْـتَهـا عَلَـيْه، وَأَعـوذُ بِكَ مِنْ شَـرِّها، وَشَـرِّ ما جَبَلْـتَهـا عَلَـيْه
Allahumma innee as-aluka khayraha wakhayra ma jabaltaha AAalayh, wa-aAAoothu bika min sharriha washarri ma jabaltaha AAalayh
Translation
O Allah, I ask You for the goodness within her and the goodness that you have made her inclined towards, and I take refuge with You from the evil within her and the evil that you have made her inclined towards.
When to recite
Recited by the groom on the wedding night.
Source / Reference
Abu Dawud 2/228, Ibn Majah 1/617