Scout Willis goes completely topless as male alter ego on Halloween

Scout Willis, the daughter of Demi Moore and Bruce Willis, got a lot of people talking with her completely topless Halloween costume over the weekend.

The 25-year-old dressed up as her male alter ego, Scott, for a party in Los Angeles, and she didn't wear a shirt for part of the night.

SEE ALSO: Kylie Jenner gets 'Dirrty' in Christina Aguilera Halloween costume

Instead of a shirt, Willis opted for some chest hair to barely cover her breasts.

"Scott rides again," she captioned her head-turning photo on Instagram, seemingly alluding to the name of her alter ego. "Resist him if you dare."

Scott rides again Resist him if you dare

A post shared by Scout laRue Willis (@scoutlaruewillis) on

In another photo, she "met" Weird Al Yankovic. This time, she was wearing a shirt -- but it was an unbuttoned short-sleeve shirt that still showed off her uncovered chest.

In addition to her (presumably) fake chest hair, Willis also rocked a beard, underarm hair, a necklace and dad jeans.

Scout Willis wasn't the only celebrity to rock a racy Halloween costume this year, of course. Check out the gallery below to see more sexy costumes from Lindsay Lohan, Kylie Jenner, Kourtney Kardashian and more stars:

32 PHOTOS
Social Scene: Week of Oct. 24
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Social Scene: Week of Oct. 24
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thanks for joining our dinner tonight 💀
🎀👁🎃🎃👁🎀 #halloweencostume #halloweenisaworkout #halloween #everydaywewearpink and no filter
Happy Halloween!! May the power be with you. ⚡️
Having a little pre party before I take office #IMWITHME Cheers to @svedkavodka  #howtosvedka @hillaryclinton 🍸✨
Winifred Sanderson flies in to Hulaween! Says thanks to everyone who made it such an electrifying evening!!
Dorothy and scarecrow #halloween
Thanks @COVERGIRL for keeping everyone clean-cut and QT at Hudson High, Home of the Poodles. 💋, Principal Hudson. #KatyxCOVERGIRL
Halloween is just around the corner and it's TIME TO GET WEIRD (Part III) !! #halloween2016 #timetogetweird @powerrangers #powerrangers 😂✊🏼😆 #moretocome
Holiday times 😘
Happy Halloween 👻💀🎃
All gold everything 🌟
What an incredible night with my Puddin, @reneemmorrison Great to celebrate another year on this 🌎 Thank you to the people who worked so hard to the epic party on! #morrisonadventures #halloween #harleyquinn #joker #birthdayboy🎉
For the world wide WEB CIROC MANGO. TRY IT!
When you give em that "I just killed my brother, Mufasa" look 👀 🦁 #circleoflife
"Been shopping with Dr. Seuss?" 💁🏽
#Halloween or #Character 🤔 💋💋💋
Happy #Halloween #Weekend
Last night we morphed into a country band. #yugecountryguys
Nailed it, then I bailed!! I-CON-IC 🍸@iambranden
A last minute costume change resulted in one of my favorite looks so far! I'm Elphaba and Mr. Freeze's love child Elsaba the fashion witch. #ParsonsAlum #halloweenie makeup by: @makeupholicliz
Trooper
RYDELL HIGH MEETS HUNGER GAMES
Happy birthday Hudson! 🎂 #SockHop
💃Comin for you💃@katyperry #BirthdayGirl 🎂
#imwithher Best of the night ✨🎃✨
#aboutlastnight #HudsonHigh #detention -had a blast celebrating miss @katyperry
🔮#rumneygirl GYPSYLYFE
(When you're a little shit and way to lazy to do anything for Halloween but this fire ass edit makes you look like you went all out...so you're gonna roll with it lmao)
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