Alessandra Ambrosio & Victoria Justice Turn Heads In Elaborate Halloween Costumes: See Their Fun Looks!

Nightlife guru Darren Dzienciol invited a slew of stars to his October 30 CARN*EVIL Halloween shindig, and while there was a DJ there to keep the crowd dancing, guests were also treated to a few live performances by a few special attendees!

Scroll down to check out the crazy costumes.

Ahoy, matey! The Shooter star dressed as a pirate, donning gold hoop earrings and even some eye makeup. "I shoulda went heavier on the mascara," he noted on Instagram. The next day he handed out candy to trick-or-treaters alongside his 18-year-old son, Deacon.

Getting a leg up! The model wore fishnets and lots of lace as a "burlesque" dancer.

The blonde beauty — whose mom is model Christie Brinkley — recently opened up about recovering from an eating disorder, declaring she's "so proud" of herself for "throwing away that measuring tape" and no longer counting calories.

The Victorious star was unrecognizable thanks to her intense face paint. "I’m dead. Like literally, dead," she captioned her Instagram snaps. "💀Happy Halloween witches."

The model referred to herself as a "crystal queen" while dressed in a feathery bodysuit and an icy blue wig.

"Last year were didn't do it so this year was double the fun!" she gushed on social media. "Always the best Halloween party with my friend @darrendzienciol."

When the star went trick-or-treating with her kids the following night, she dressed in a Squid Game-inspired outfit.

The "Say So" singer dressed as The Powerpuff Girls character Sara Bellum, but she changed into another outfit when she took the stage to perform.

The week prior, she hosted a Halloween-themed party for her 26th birthday, where she went as Princess Kida from Atlantis: The Lost Empire.

Yeehaw! The actress's cowgirl outfit featured chaps, an embellished hat, thigh-high boots and a floor-length coat.

The model debuted fiery locks while dressed as the Riddler, a villain from the Batman series. She noted on Instagram that this costume was her third of the night!

The next day, she said she was staying home to eat and watch "scary movies."