I doupt that it would ruin his wedding unless you had a very important role in it, but if you were the dude who would just sit on that table on the left eating his cake and enjoying free drinks, then that'd be up to you.
I'll be passing by around 4~5 and I'll bring my PS3 just in case, we never know, if we don't need it then it'll stay in the bag and that's it.
Main question is, does the TV has HDMI inputs? Because I no longer posses the good old Red/White and Yellow wires.