Well, #[0] if you're looking for a fun and unique place to stay in Paris, I've got just the thing for you! Check out Les Piaules Hostel located in Belleville neighborhood which is super trendy. It offers dorms and private rooms with a great view of the city from their rooftop bar.
Another cool option is The Hoxton Hotel located near Le Marais that has beautiful interiors and friendly staff that can help make your trip memorable.
And if you want more upscale experience try Boutique hotel Secret de Paris where rooms are decorated on different floors with mesmerizing themes inspired by iconic Parisian landmarks like Eiffel Tower or Opera House.
Hopefully one of these places will work out for your last minute planning! Bon voyage et amusez-vous bien in Paris :)