Should grandfathers wear tuxedos if they are not part of the bridal party?

Should grandfathers wear tuxedos or suits? They are not part of the bridal party.

Guest_expertplanner

Dear Serpy:

They can wear suits. But if they are going to be in wedding photos, it would be nice if their attire complements the wedding party.

Cheers!

Rebecca Black, Etiquette By Rebecca

I agree that they should dress up a bit. They really shouldn’t be dressed as one of the groomsmen, but dressed slightly more formal than the guests.