If the outfit is fancy enough to stand on its own, then, a small, simple purse will be sufficient. However, if the outfit needs a little more pizzazz, punch of color, or a sparkly touch, add a larger, more embellished style. Let the bag make the statement.
I love the versatility of a clutch that has a detachable chain, wrist or arm strap. This also affords you the opportunity to enjoy the evening hands free, to dine or dance.