Louise Kennedy recently celebrated 40 years of business in the MSL Mercedes Showroom in Ballsbridge. While it may seem like an unusual choice of venue, once you move the cars outside, add some spotlights, loud music, and mix in a few Malfy Gin cocktails, it makes for an excellent backdrop for a catwalk show. It makes even more sense once you learn Kennedy is a Style Ambassador for Mercedes-Benz and one of the most well-connected women in Ireland. The lot was filled with grandees of business, fashion, entertainment, and politics. Connections from all aspects of Kennedy’s life – personal and…