最简单的：Every good wish on your wedding day.
祝贺新婚之禧。
Wish you a world of happiness and love.
祝愿你们幸福，爱情无边。
May you two always be in love.
祝你们永沐爱河。
Wish you both all the happiness in the world.
祝你俩成为这世界上最幸福的一对。
应该是很标准的新婚贺词，希望你喜欢。
Though I can't be there with you
as you tie the knot,
I'm sending you all my wishes
for this special bond...
Congratulations!
May your wedding day be
the new beginning
of an everlasting happiness!