On a whim, I decided to Google "Octopus Couture" and this is what appeared at the top of the list:
The images feature an octopus-inspired get-up from the Vecona Fashion Show that took place in November 2008 in Brugge, Belgium. The clothing has a sort of whimsical turn-of-the-century Victorian vibe. And of course, tentacles go great with that!
More pictures from the collection are available at TrendHunter.com.