Yes, the pretty cobbled streets of Temple Bar and picturesque views of the River Liffey are a solid selfie backdrop, but we all know the real reason you have your hen party in Dublin is because it's one of the loudest, busiest and booziest cities in the whole world. If the homeland of Guinness and whiskey isn’t enough to sway you to Dublin, the wealth of gorgeous men with sexy Irish accents and the pots of gold at the end of the rainbows certainly will…