A dressy bag with a chain helps you hold crudites and a cocktail drink in your hands, it lends a cool edge to evening wear. You can wear the chain diagonally across your body for the best effect.
The biggest mistake women make is wearing pants that aren't the right length for their shoes. To fix this, hem to either heels or flats like no going back. Generally, hems should graze the tops of your shoes and be from 1/2 inch to 3/4 inch off the floor.