بَارَكَ اللَّهُ لَكَ وَبَارَكَ عَلَيْكُمَا وَجَمَعَ بَيْنَكُمَا فِي خَيْرٍ
May Allah grant you Barakat (blessings) and descend His blessings on both of you and keep you united.
(Ahmed, Tirmidhi)