بَارَكَ اللَّهُ لَكَ وَبَارَكَ عَلَيْكَ وَجَمَعَ بَيْنَكُمَا فِي خَيْرٍ
Barakallahu laka wa baraka 'alayka wa jama'a baynakuma fi khayr
TRANSLATION
May Allah bless you and shower blessings upon you and unite you both in goodness
📖 متى تقرأ هذا الدعاء؟
This is the dua the Prophet taught for congratulating those who get engaged or married. It asks for three forms of blessing: blessing for the person blessing upon them and their union being filled with goodness.