We know winning that office Halloween costume contest this year is high on your list of priorities. We get it. But sometimes finding that next-level costume comes down to nailing one essential detail — your hair. We’ve gathered all the easy Halloween hair ideas you could possibly need to choose the costume of your dreams. Check out these 20 epic Halloween hairstyles that are so iconic, they might be all the costume you need.

Sandra Dee Halloween Hair Ideas

1. Sandra Dee: There is so much haute-ness going on in this photo of Gigi Hadid dressed up as Sandra Dee from Grease. She totally nailed the look with those voluminous blonde curls and that spot-on costume of the original good girl turned bad. (Photo via Mike Coppola/Getty)

Duck Dynasty Halloween Hair Ideas

2. Duck Dynasty: If you’re going for laughs this year, consider the perks of dressing up like a Duck Dynasty cast member. When else will you have an excuse to wear that massive beard wig and bandana? (Photo via Cindy Ord/Getty)

Jem Halloween Hair Ideas

3. Jem: There’s something so fun about Jem’s classic ’80s look with ultra-hot pink accents. One look at that larger-than-life spiked hair and partygoers will immediately be feeling your pop star vibes. (Photo via Jemal Countess/Getty)

Jessica Rabbit Halloween Hair Ideas

4. Jessica Rabbit: Heidi Klum is a known Halloween fanatic, throwing massive, star-studded, costumed bashes each and every year. Our favorite costume was this unforgettable look she pulled off as Jessica Rabbit, a real femme fatale come to life. Channel Jessica with a classic red wig that gets the old Hollywood barrel curl treatment. (Photo via Mike Coppola/Getty)

Glenda the Good Witch Halloween Hair Ideas

5. Glenda the Good Witch: Are you a good witch? If so, you’ve probably considered dressing up as Glenda from The Wizard of Oz at least once. Don a blonde wig in almost any style and top it off with a tiara to bring the magic of Oz to life this Halloween. (Photo via Michael Buckner/Getty)

Lady Gaga Halloween Hair Ideas

6. Lady Gaga: No one throws shade quite like blogger Perez Hilton, so it comes as no surprise that he sported this hilarious Lady Gaga costume for Halloween. He definitely didn’t fly under our radar by pairing one of her memorable concert looks with her most truly unforgettable hairstyles. (Photo via Valerie Macon/Getty)

Rapunzel Halloween Hair Ideas

7. Rapunzel: Rapunzel is, hands down, as iconic as it gets when it comes to hair fame. So what if she’s fictional? We’d recognize that hair anywhere. (Photo via Sean Gallup/Getty)

Cleopatra Halloween Hair Ideas

8. Cleopatra: For a truly winning look as Cleopatra, follow in the footsteps of Anne Hathaway with this sleek black wig. Try out some bangs or even a bob when you don a wig to channel the most famous Egyptian queen. Don’t forget to finish the look with a bejeweled crown and tons of gold accents. (Photo via Evan Agostini/Getty)

Audrey Hepburn Halloween Hair Ideas

9. Audrey Hepburn: Audrey Hepburn’s chic and classic elegance is the stuff of Hollywood legend. This costume is perfect if you have micro bangs or a short pixie cut. (Photo via Getty)

Sia Halloween Hair Ideas

10. Sia: Halloween is the perfect time to get wiggy with outlandish styles you would otherwise never try. Case in point: Sia’s two-tone black-and-white bob and that gigantic bow. (Photo via Christopher Polk/Getty)

LONDON - SEPTEMBER 19: Singer Amy Winehouse performs at the Music of Black Origin Awards (MOBO) at the O2 Arena Greenwich on September 19, 2007 in London, England. (Photo by Jo Hale/Getty Images)

11. Amy Winehouse: It doesn’t get more iconic than Amy Winehouse’s towering bouffant. Rock her signature cat eye and colorful tats to complete the look. (Photo via Jo Hale/Getty)

NEW YORK, NY - SEPTEMBER 16: Kylie Jenner attends the Grand Opening of the Sugar Factory American Brasserie on September 16, 2015 in New York City. (Photo by Jamie McCarthy/Getty Images)

12. Kylie Jenner: Before King Kylie exploded into the mega-popular star she is today, she made waves with her lime green hairstyle and colorful wigs. Since then, her name has become synonymous with colorful and unique tresses. Just remember to add her trademark lip and edgy style. (Photo via Jamie McCarthy/Getty)

NEW YORK, NY - OCTOBER 31: Emily Ratajkowski attends the Heidi Klum's 16th Annual Halloween Party sponsored by GSN's Hellevator And SVEDKA Vodka At LAVO New York on October 31, 2015 in New York City. (Photo by Mike Coppola/Getty Images for Heidi Klum)

13. Marge Simpson: The Simpsons have been an American staple for years now, and we can’t think of a better cartoon hairstyle to hack than Marge Simpson’s. Snag a blue up-to-there wig for an instantly recognizable Halloween look. (Photo via Mike Coppola/Getty)

NASHUA, NH - APRIL 18: Donald Trump speaks at the First in the Nation Republican Leadership Summit April 18, 2015 in Nashua, New Hampshire. The Summit brought together local and national Republicans and was attended by all the Republicans candidates as well as those eyeing a run for the nomination. (Photo by Darren McCollester/Getty Images)

14. Donald Trump: No other reality star-turned-presidential hopeful has ever received quite so much flak for their hair. It goes without saying that this satirical hairstyle will be a favorite this Halloween. (Photo via Darren McCollester/Getty)

Madame Tussauds Berlin Presents New Star Wars Wax Figures

15. Princess Leia: No one will mistake you for anyone but Princess Leia when you’re rocking these side buns. We’ve even got an easy tutorial to help you get the out-of-this-world look. (Photo via Clemens Bilan/Getty)

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16. Dorothy: Blue ribbons and Dutch pigtails are all that’s necessary to dress up as Kansas’s most famous former resident. Now you just need to get yourself a Toto. (Photo via Warner Home Video)

Tory Burch - Front Row - Spring 2016 New York Fashion Week

17. Anna Wintour: The most famous bob in recent memory just so happens to belong to one of the most famous fashion editors of all time. Even if you have longer hair, you can use a little beauty magic to create a faux bob of your own. (Photo via Cindy Ord/Getty)

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18. Marie Antoinette: No one brought the volume quite like Marie Antoinette, and if you rock this gravity-defying updo, there’ll be no mistaking you as anyone but the former Queen of France. While the style might take a bit (read: a ton) of work to do with your own tresses, you can’t go wrong with a classic Marie Antoinette wig. (Photo via Columbia Pictures)

Marilyn Monroe

19. Marilyn Monroe: The original bombshell Marilyn Monroe has become a style icon not only for Halloween, but in everyday trends. Her blonde locks and red lips are still the envy of girls today and would make for a glamorous look come October 31. (Photo via Baron/Getty)

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20. Katniss Everdeen: The girl on fire is instantly recognizable by her well-known braid, a style even a beauty novice could try their hand at. Search the web for Katniss braid inspo, and you’re sure to find loads of tutorials. (Photo via Murray Close/Lionsgate Pictures)

What Halloween hairstyles would you like to see? Let us know on Instagram!