Here's a person who definitely spends some time and effort in her cosplaying. Her time on "Heroes of Cosplay" showed her abilities well, and I think it even showed some of her cosplay as Jessica.
Though I'm more partial to her Baroness cosplay from GI Joe. ^_^
Great cosplay, the biggest error in most Jessica Rabbit cosplay it's the hair but she did it with great accuracy and those boobs really put it in another level