Alessandra Ambrosio bares her midriff while channeling a snow leopard. Yep, she's my fav hotty!
Jessica Alba was my favorite as Guns N’ Roses rocker Slash with her BFF Kelly Sawyer as Axl Rose. They nailed it!
Adam Levine goes shirtless with his wife Behati Prinsloo. "Tommy Lee and Heather Locklear ready for the 80s again," Bee write on Instagram. Rihanna battled the rain while channeling Raphael from Teenage Mutant Ninja Turtles.
Neil Patrick Harris goes green while channeling the Riddler from the Batman. His husband David Burtka did his best impression of another villain from the series, the Joker. Ashley Madekwe was Joker as well. Lily Allen wears a doctor’s uniform with a name plate reading Dr. Luke – Gynecology Dept.
Emily Bett Rickards was definitely an attractive astronaut. Guy Ritchie posed for a photo with his son Rocco and his wife Jacqui Ainsley. Guy and Rocco were Breaking Bad characters Walter White and Jesse Pinkman, while Jacqui decided to dress up as Natalie Portman‘s Oscar-winning role from the movie Black Swan. Cool! Taylor Swift dressed like a pegacorn.
Courteney Cox looks absolutely creepy in her Annabelle doll. Her fiance Johnny McDaid go as a creepy doll as well. Scary good! Than bloody Natalie Dormer and Rachel Zoe as the evil queen from Snow White and the Huntsman.
Heidi Klum looked super colorful in her very detailed butterfly costume. She's the queen and she knows it!
Gerard Butler was seen in a Captain America costume and later as a knight with a girl.
Kim Kardashian show off her scary side while channeling a skeleton. Second look she did was her best impression of Anna Wintour. In the picture is also her adorable daughter North West, who dressed as Vogue contributing editor Andre Leon Talley. The pic also included Kim‘s friend and makeup artist Joyce Bonelli channeling Grace Coddington, creative director of Vogue, while her son dressed as a mini Karl Lagerfeld.
Beyonce channeled Janet Jackson while kissing her adorable daughter Blue Ivy as M.J.
Kate Hudson held her annual Halloween party in L.A. and both she and her mom, Goldie Hawn, were ready to raise a little hell. The pair and some other party pals dressed up like Sons of Anarchy biker chicks.
Naya Rivera in a white wedding dress and veil, while her husband Ryan Dorsey played the role of the mailman.
Kaley Cuoco and her husband Ryan Sweeting dress up as Justin Bieber and Selena Gomez. Kate Moss was dressed up as Cara Delevingne while Cara was in a Mario costume.
Gisele Bundchen and her family, Tom Brady and their kids Vivian and Benjamin dressed up as dragons.
Singer trio. Demi Lovato dressed as Lucille Ball, Jennifer Lopez was red hot as the Devil and Iggy Azalea as Marlon Wayans from his 2004 film White Chicks. Kelly Brook showed off her devilish side while Lea Michele wore a Little Red Riding Hood costume.
Adam Lambert shows his fangs while transforming into Wolf Man, Gwen Stefani and her husband Gavin Rossdale dressed up as a pair of vampires and bloody Michelle Trachtenberg.
Colton Haynes looks completely unrecognizable dressed up as Fiona from Shrek, while Chris Colfer was in a Grumpy Cat costume. Katy Perry is bright orange while dressing up as a Flaming Hot Cheeto and Lucy Hale as the Twitter bird.
Maria Menounos as Kelly Kapowski from Saved by the Bell and later in soldier outfit. Kelly Osbourne was a ringer for Gwyneth Paltrow's Royal Tenenbaums character, Margot Tenenbaum and Kirsten Dunst as a spooky ghost.
Hilary Duff looked like a fairy queen while holing on to her separated husband Mike Comrie‘s arm. Kate Hudson also rocked a Mexican death mask accompanied by Ashley Benson.
Rita Ora dolled up as Barbie, Paris Hilton was channeling Minnie Mouse and Nicole Richie made her appearance as Cruella Deville.
Plus some looks from the Unicef UK Halloween Ball at One Mayfair in London, England. Jamie Campbell Bower and his girlfriend Matilda Lowther, Hugh Grant hit the red carpet with a horse mask on and model Suki Waterhouse showing off her claws.
Who were your favorites?