These Stars Had the Best Pop Culture Halloween Costumes This Year

Miley Cyrus channeled her country roots with a Dolly Parton costume.

Sarah Michelle Gellar channeled Princess Leia from the Star Wars franchise.

We overdosed on cuteness, thanks to Beyoncé as Janet Jackson, and Blue Ivy as Michael Jackson.

Cara Delevingne and Kendall Jenner went as Mario and Luigi.

Twilight star Kellan Lutz honored Snake Plissken, Kurt Russell's character from Escape From New York.

Hailee Steinfeld was dead-on with her impersonation of YouTube star Miranda Sings at the JustJared Halloween party.

Kaley Cuoco was pretty spot-on with her Justin Bieber getup.

Brad Goreski was downright FIERCE in his imitation of Beyoncé's "On the Run" costume.

Paris Hilton showed how much she loves Madonna with her "Like a Virgin"-era look.

Jenny McCarthy rocked Sandy's final look from Grease.

Natalie Morales nailed Mary Katherine Gallagher's signature pose.

The Today gang all rocked Saturday Night Live-inspired getups. Here's Al Roker and Lester Holt as the Blue Brothers.

Meredith Vieira, Savannah Guthrie, and Jenna Bush Hager channeled SNL's classic "Mom Jeans" skit.

Anchors Tamron Hall and Willie Geist were SNL's Spartan cheerleaders.

It's Pat! Matt Lauer dressed as the classic SNL character.

Kathie Lee Gifford and Hoda Kotb paired up as Wayne and Garth.

Bryan Greenberg let the foul words fly as the HBO character, commenting, "You're f*cking out."

Good Morning America's Robin Roberts was Frozen's icy queen for the show.

Good Morning America's Amy Robach channeled the Disney villain.

Ed Sheeran went shagadelic for his costume.

Lance Bass hung out with a pal dressed up as Ethel from American Horror Story: Freak Show.

Siblings Mark and Samantha Ronson had a very Top Gun Halloween warmup.

Modern Family's Sarah Hyland played Annie, while her pal was Miss Hannigan.

Courteney Cox looked to a recent horror movie for inspiration: she's creepy doll Annabelle!

Kelly Ripa and Michael Strahan went all out on Live!, dressing up in several Halloween costumes.

Like the OITNB gang!

Ripa and Strahan appeared as the iconic storybook characters.

Strahan and Ripa also posed as Jon Snow and Daenerys Targaryen.

Ripa dressed up as Maria from the musical classic.

And so did Strahan!

Ripa donned a ballerina costume for the singer's huge music video.

Then Strahan joined her for another video scene.

And Downton Abbey characters!

Ripa rocked yet another Downton character's look.

Zach Braff dressed up as Kurt Russell's character in the 1986 movie — then proceeded to pose with Russell himself.

CaCee Cobb and husband Donald Faison dressed up as the movie ape and his intended victim.

Chace Crawford nailed the look of Napoleon Dynamite's Uncle Rico.

Cindy Crawford and Rande Gerber opted for throwback Cher and Gregg Allman costumes.

Audrina Patridge went goth in a see-through ensemble, and her boyfriend, Corey Bohan, was Lt. Dangle from Reno 911!

Paris Hilton made her Minnie Mouse sexy, of course.

George Clooney's ex-girlfriend Elisabetta Canalis went all out as Dorothy from The Wizard of Oz and brought her own Toto along.

Jonathan Bennett got animated as Batman.

Perrey Reeves and her buddies were superheroes.

Matthew Morrison and new wife Renee Puente dressed up as Vincent Vega and Mia Wallace from Pulp Fiction.

Sexy Arrow star Colton Haynes went for an elaborate costume as Shrek's leading lady, Princess Fiona.

JC Chasez went as Raoul Duke from Fear and Loathing in Las Vegas.

Joey Fatone's baseball cap was part of his Spider-Man costume.

Pretty Little Liars' Julian Morris achieved the balding look for his costume for Riff Raff from The Rocky Horror Picture Show.

Revenge's Ashley Madekwe dressed for a party as Heath Ledger's Joker from The Dark Knight.

Kelly Osbourne didn't skimp on her costume for Magenta from The Rocky Horror Picture Show.

Neil Patrick Harris's whole family donned Batman and villain costumes! How badass is NPH as the Riddler?

Kelly Osbourne also dressed up this year as Gwyneth Paltrow's character from The Royal Tenenbaums.

Demi Lovato and Wilmer Valderrama were so cute as Lucy and Ricky Ricardo from I Love Lucy.

Iggy Azalea was really committed as a character from the movie White Chicks.

Laverne Cox imitated Eartha Kitt's incarnation of Catwoman.

Jesse Tyler Ferguson and Justin Mikita had a classic comedy-couples costume at the JustJared Halloween party.

Debra Messing won our hearts with her costume inspired by the '90s baseball classic.

Ben McKenzie paid homage to his Gotham character by dressing up as the older version of him.

Vito Schnabel dressed up as Vito Corleone, Marlon Brando's character from The Godfather.

Nolan Gerard Funk was classic Batman villain Two-Face.

Joe Jonas gave us his best "Blue Steel" as the male model.

Rihanna and a gang of girlfriends dressed as the comic book characters.