This disturbingly convincing Princess Peach cosplay outfit is the handiwork of Jenni Källberg aka Pixelninja. She really is every geek's dream in her outfit, more of which can be seen here.
If you're now seized with the desire to whip off a Peach get-up of your own then spend your days hanging around and waiting for Mario to show up, there's a nice little guide here, which takes you through all the steps you'll need to 'get the look' - from the Barbie-pink satin frock to the cheap-looking crown.
Related: Mario's Princess Peach shirt embroidery | Heroes of Craft: Super Mario Bros.
