Congratulating the newlywed

بَارَكَ اللّٰهُ لَكَ، وَبَارَكَ عَلَيْكَ، وَجَمَعَ بَيْنَكُمَا فِي خَيْرٍ

May Allah bless you, and shower His blessings upon you, and join you together in goodness.

Baarakallaahu laka, wa baaraka 'alayka, wa jama'a baynakumaa fee khayrin.