The cute couple step out in matching vampire costumes.
The GMA host channels Frozen's Elsa.
Yum! Perry is dressed as a delicious Flamin' Hot Cheeto for Kate Hudson's Halloween party.
The singer sports a "Pegacorn" costume during a visit to The Elvis Duran Z100 Morning Show.
The mother-daughter duo bring the sex appeal at Hudson's annual Halloween bash!
The supermodel and a gal-pal bring the sexy!
Va-va-voom! The Glee gal shows lots of cleavage in this black getup.
It's the return of' 80s and '90s-era Guns N' Roses! Here she is with friend Kelly Sawyer.
The Twilight fan-favorite poses with Los Angeles Haunted Hayride CEO Melissa Carbone before enjoying the scary attraction.
The duo attend Fred & Jason's 9th Annual Halloweenie party in L.A.
Kelly Kapowski! Menounos looks awesome in this Saved by the Bell-inspired look.
The celeb stylist goes as the Evil Queen from Snow White.
Eek! Cox dresses as the evil doll from Annabelle.
Ross channels her dark side!
LOL! The Scrubs star sport a mullet.
Is that you Katy Perry? The actress does her best "California Gurls" impression for SVEDKA Vodka's Halloween Soirée.
Hyland arrives to Kate Hudon's star-studded bash as Annie.
The actress and her friends watch a WhatBrandIsIt.com video to guess the brand and try to win $25K while at Just Jared's Halloween soiree at No Vacancy in Los Angeles.
George Clooney's ex flaunts her fit figure while dressed as Dorothy from The Wizard of Oz.
The twosome channel Cher and Gregg Allman with these groovy get-ups.
Sex snowball? Paris sizzles in this barely there costume.
The director and his sone make awesome Breaking Bad characters!
The singer raises eyebrows with her Dr. Luke costume in the wake of Kesha's sexual assauly lawsuit against the producer.
The Real Housewives of New Jersey star celebrates Halloween early with her fam.