For years, studio executives, trendy teenagers, actors and suburbanites have frequented this Du-par's alongside tourist families bummed out they didn't win a new car from Bob Barker on the adjacent CBS lot. They all come for the good coffee, the excellent french toast, pancakes and egg dishes, and the decadent pies that are an institution themselves. And since The Grove has usurped the we're-number-one clout of the Beverly Center, more and more frazzled shoppers are happy to find this Diesel-jeans-not-needed spot at the outskirts of the property.