Catholic Nuptial Blessing

Look down from heaven, Lord, on this union,
and enrich it with your blessings
(+ at this point the priest makes the Sign of the Cross over the couple). 
Once you sent Raphael, your angel of peace, to Tobias and Sara,
the daughter of Raguel. 
Now, Lord, send your blessings upon this husband and this wife,
so that they may continue
in your grace, be faithful to your will, and live in your love. 
Through Christ our Lord.  Amen.