Hollywood Crushed Halloween This Year and It's Not Even Over Yet: Every Celebrity Costume You Need to See

Celebrities are bringing their A-game for Halloween this year.

From Halsey's boo-worthy bash to George Clooney's Casamigos blowout, Halloween parties were booming over the weekend in Los Angeles, with stars showing off their impressive, unique and even downright creepy costumes. Your favorite actors, reality stars and musicians alike were exceptionally creative and put last year to shame.

One huge theme for celebs this year was DC Comics. Halsey dressed up as Poison Ivy, or maybe we should say she undressed to be the Batman villain. The singer's on-again off-again boyfriend G-Eazy wore a colorful suit and very convincing makeup to be Two-Face, another Batman villain. Former "Fifth Harmony" member Lauren Jauregui and her beau, rapper Ty Dolla Sign, slayed as Harley Quinn and the Joker.

Although those costumes were epic, we can't help but love when stars dress as other celebrities. Gabrielle Union basically became Gwen Stefani from her No Doubt days. "Real Housewives of Beverly Hills" star Lisa Rinna went all out as her fellow Housewife Erika Jayne, wearing a platinum blonde pig-tailed wig, a sparkly t-shirt dress and thigh-high boots. Lisa definitely paid attention to detail, too, even rocking blue contacts to match Erika's eyes.

Harry Styles also dressed up as a fellow singer: Elton John. Styles wore the famous songwriter's iconic rhinestoned Dodgers outfit, perfectly fit for World Series weekend.

However, our favorite costume so far has to go to Joe Jonas, who dressed up as his fiancé Sophie Turner's "Game of Thrones" character, Sansa Stark, donning a red-haired wig and fake breasts. Turner, on the other hand, wore an elephant costume. Nevertheless, we think George R.R. Martin would be proud.

Other honorable mentions include Joey King as Voldemort from "Harry Potter," Gus Kenworthy as Peter Quill, a.k.a Star Lord, and "Riverdale" stars Lili Reinhart and Camila Mendes as Napoleon and Pedro from "Napoleon Dynamite."

Halloween technically isn't until Wednesday, so if you still need a costume, don't fret. TooFab has you covered. Click here for some last minute ideas, or just be a copycat and get some inspiration from all of these celebrities in TooFab's massive celebrity costume gallery above and below.

And check back for more, because we'll be updating this collection of epic costumes all week long.

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