Should Nintendo ever work up the courage to really mess with the setting of Mario games, there are worse ideas they could have than to have the plumber fighting his way through some Dickensian clockwork castle.
And if he did, well, the lady he was trying to rescue would need to dress the part as well. Perhaps like this outfit by Skirtz (with photography by Kindra Nikole Photography)?
Steampunk Princess Peach [Geek x Girls, via Fashionably Geek]