The 2018 Pet Valentine had dogs wagging their tails all the way down the aisle. The mass wedding ceremony was held in Lima, Peru for dogs to meet their matches. They dress up in pet-friendly wedding attire, get a certificate honoring their unions, and then get some cake! The annual event is held on the Saturday before Valentine's Day. InsideEdition.com's Mara Montalbano (https://twitter.com/MaraMontalbano) has more.