A: Absolutely! (That is, unless there are objections from your officiant, there are ceremony-site restrictions, or your pup answers to the name of Cujo.) That said, there are a few things to consider. First, how does Fido react to large crowds? If he feels the need to speak his mind, you run the risk of a noisy processional. Aside from barking, does he show his excitement in other ways? If your answer involves super-absorbent paper towels, maybe he should skip the show and wait for the video. And finally, how long is your ceremony? Will he be able to sit through it quietly? If none of the above presents a problem, then go for it. Have an attendant escort him up the aisle, then have a previously designated leash-holder take over for the duration of the ceremony. Bonus tip: If your dog attends your wedding, make sure the caterer provides him with some special treats at the reception. You don't want Fido feeling left out when you cut the cake!