My younger college age brother who is truly single wanted to invite some of his college friends to my reception. I put my foot down and said no because I don't want my reception to turn into a frat party and I don't know these guys or have room in my budget for them. Today he asked if he could invite 2 friends to the after dinner dancing and drinks part of the evening. I know that this is normally completely inappropriate but I'm half tempted to say yes so that he as people to hang out with. I'm really fine with the two of them showing up after dinner. My reception is in a barn and pretty layed back. What do you think?