We love the creativity!

Celebs like Avril Lavigne and Rumer Willis got into the spirit at a Halloween party over the weekend, and we can't decide whose costume we liked the most!

The "Complicated" songstress sexed it up as a pirate, while Demi Moore's daughters donned fake mustaches and went as cowboys. Model Jamie King had a cool take on a fashionable Joan of Arc, which we think is our fave. Sarah Hyland went as a taco while her boyfriend Wells Adams went as Belle from Beauty and the Beast... making them Taco-Bell!

Ariel Winter and boyfriend Levi Meaden went as Michelle Pfeiffer and Al Pacino in Scarface, but we're not sure what Delilah Belle Hamlin was going for? Our best guess would be a gothic Burning Man guest?

A+ for effort, guys!