It might still only be the eve of Halloween, but the stars have come out in force to celebrate the festive occasion with a host of simply spook-tacular parties and costumes.
Ariana Grande was almost unrecognizable on social media as she got dressed up in her finest vintage to be Old Hollywood starlet Bette Davis.
The Dangerous Woman singer, 24, radiated old Hollywood glamour with retro waves and a long cigarette holder perched upon her lips in dramatic black and white shots.
Blast from the past! Ariana Grande was unrecognizable as she got dressed up in her finest vintage to be Old Hollywood starlet Bette Davis for Halloween
The songstress filled out her pout dramatically while flirtatiously slinging a fur-trimmed coat off her shoulder to reveal her alluring back.
Ariana teamed up with BFF Doug Middlebrook, who played Bette’s longtime rival, actress Joan Crawford.
The duo got dramatic, pantomiming lines from the actresses’ 1962 film What Ever Happened To Baby Jane? while acting out of the film’s most famous scenes.
Bette and Joan’s old school Hollywood rivalry was introduced to a whole new generation with last year’s hit Ryan Murphy series Feud: Bette And Joan on FX.
Weird and wonderful! Vanessa Hudgens was getting weird for her annual Halloween party which was themed Freak Show this year
It takes two! Ariana teamed up with BFF Doug Middlebrook, who played Bette’s longtime rival, actress Joan Crawford
Out and a pout! The songstress, 24, filled out her pout dramatically while flirtatiously slinging a fur-trimmed coat off her shoulder to reveal her alluring back
Smoking! The Dangerous Woman singer, 24, radiated glamour sporting retro waves while perching a long cigarette holder upon her lips in the dramatic black and white shots
Ariana made sure to thank her glam squad on social, giving shout outs to hairstylist Josh Liu and makeup master Daniel Chinchilla.
She gave followers a special behind-the-scenes look at her transformation as she showed off her wig while revealing MUA Chinchilla blocked out her brows drag-queen-style to achieve the look.
Elsewhere, Vanessa Hudgens was getting weird for her annual Halloween party.
A rivalry to remember! Ariana teamed up with BFF Doug Middlebrook, who played Bette’s longtime rival, actress Joan Crawford
Action! The duo got dramatic, pantomiming lines from the actresses’ 1962 film What Ever Happened To Baby Jane? while acting out of the film’s most famous scenes
A little help from her friends: Ariana made sure to thank her glam squad on social, giving shout outs to hairstylist Josh Liu and makeup master Daniel Chinchilla
The High School Musical star dressed up in a sparkling silver wig with Harlequinn eyes for the Freak Show themed fête.
The actress, 28, piled on spooky vibes in a slinky black bustier featuring skeleton hands across her bust.
A cage-like skirt with skulls at the side made the former High School Musical star appear as though she came straight from the set of a horror film.
Freaky Not Friday! Vanessa dressed up in a sparkling silver wig with Harlequinn eyes for the Freak Show themed fête
Dynamic duo: The High School Musical star’s beau Austin Butler matched the boho beauty with dark lips and identical eye make-up
Vanessa’s beau Austin Butler matched the boho beauty with dark lips and identical eye makeup.
The star made sure to give props to her photographer, tagging pal Elias Tahan in all her party posts.
Before the celebration, the Disney alum posted a shot of her and sister Stella playing around with the circus themed decor, captioning the photo ‘pre party.’
Tag, you’re it! The star made sure to give props to her photographer, tagging pal Elias Tahan in all her party posts
Scary cute! The actress, 28, piled on spooky vibes in a slinky black bustier featuring skeleton hands across her bust
Jennifer Garner shared some impressively decorated scarecrows on social media.
The crafty mom-of-three look proud while standing next to a trio of cartoon-like straw-men which were designed in the image of her offspring.
The actress captioned the photo writing: ‘TO THE CROWS: BOO!’
Side show! Before the celebration, the Disney alum posted a shot of her and sister Stella playing around with the circus themed decor, captioning the photo ‘pre party’
For the birds! Jennifer Garner shared some impressively decorated scarecrows on social media, tagging her Instagram post ‘#FamilyTradition’
She took a fun jab at her little ones in the tags, adding: ‘#QuieterThanTheHumanVersions’ along with ‘#FamilyTradition’ and ‘#OhPleaseYesIHadHelp.’
Kate Hudson showed off a pair of spooky Jack-O-Laterns.
The mother-of-two added a sporty caption to the pumpkin photo, writing: ‘Couldn’t take the World Series anxiety last night so decided to carve some pumpkin.’
Stress reliever: Kate Hudson showed off a pair of spooky Jack-O-Laterns, adding a sporty caption in relation to the LA Dodgers’ participation in the World Series
Orange you glad? Make-up mogul Kylie Jennner got into the holiday spirit with a candy corn orange manicure
The Los Angeles native was referring to Sunday night’s World Series match between her beloved Dodgers and the Houston Astros.
Make-up mogul Kylie Jenner – believed to be pregnant with her first child with rapper Travis Scott – got into the holiday spirit with a candy corn orange manicure.
Halle Berry also shared her Halloween beauty, posting a photo of a black manicure with white around the moon of her cuticle.
Nailed it! Halle Berry also shared her Halloween beauty, posting a photo of a black manicure with white around the moon of her cuticle
Throwback! Actor Ryan Phillipe celebrated the holiday with a vintage photo of a young Ryan dressed like Sonny Crocket from Miami Vice while sister Katelyn Phillipe was Cyndi Lauper
Actor Ryan Phillipe celebrated the impending holiday with a throwback photo of him and sister Katelyn Phillipe.
The actor, 43, appears to be around 10 was dressed as Sonny Crocket from Miami Vice while her little sis donned a Cyndi Lauper costume.
Nicky Hilton Rothschild took a selfie with a giant version of the terrifying clown Pennywise from It.
Clowning around! Nicky Hilton Rothschild took a selfie with a giant version of the terrifying clown Pennywise from It
The socialite stood in front of the terrifying character while sporting a leopard-lined coat while toting along a leather handbag emblazoned with leather lips.
The little sister of Paris Hilton captioned the photo with a simple ‘scary afff.’
Though people have been celebrating All Hallow’s Eve throughout the weekend, the actual holiday hits the calendar Tuesday October 31.
Halloween dream! Though people have been celebrating All Hallow’s Eve throughout the weekend, the actual holiday hits the calendar Tuesday October 31
Cruel intentions! Cardi B dressed up as Cruella de Vil
Spot on: Cardi B even had a real Dalmatian for her pictures
Slide to home: Kelly Rowland posted her Halloween excursions on Instagram