1 of 23
JESSICA ALBA & CASH WARREN
Did someone call for a superhero? The actress and her husband get into the Halloween spirit – she as a cat, he as Superman! – while trick-or-treating with their daughters in Pacific Palisades, Calif.
2 of 23
3 of 23
She's pure honey! The then-pregnant star flaunts her burgeoning baby bump in a bumblebee costume after a Halloween meal at New York's Darby restaurant.
4 of 23
No stranger to celebrating the holiday, the How I Met Your Mother star adds a sweet touch to her scarecrow costume while trick-or-treating with her little pumpkin, 2-year-old daughter Satyana, in Santa Monica, Calif.
5 of 23
Say cheese! The reality star is cute as can be thanks to her spot-on Minnie Mouse ensemble at the Bacardi- and Maroon 5-hosted Halloween bash at L.A.'s Hollywood Forever Cemetery.
6 of 23
The expectant mom shrouds her burgeoning belly in a simple black and purple witch's costume in Brentwood, Calif.
7 of 23
HARRISON FORD & CALISTA FLOCKHART
Rock and roll! Ford and Flockhart flaunt their love for '80s hair bands at a Halloween night bash in Brentwood, Calif.
8 of 23
The actress can't help but clown around while trick-or-treating with her boys Sasha, 4, and Kai, 2, in N.Y.C.
9 of 23
10 of 23
11 of 23
12 of 23
Sans Prince Charming, the pop star makes her fairy tale fantasy come true, stepping out as Cinderella for a Halloween party in Los Angeles on Oct. 29.
13 of 23
14 of 23
15 of 23
Hello, kitty! Frankel is picture purr-fect as the fictional feline during Heidi Klum's costume bash in Las Vegas.
16 of 23
Daytime TV now has not one, but two silver foxes – thanks to the CNN anchor, who pays homage to talk-show legend Phil Donahue during a taping of Anderson on Oct. 31 in New York.
17 of 23
Who needs a sugar fix? The Parks and Recreation star gets a taste of the sweet life, hitting Hudson's Halloween shindig as a Charms Blow Pop.
18 of 23
19 of 23
COCO & ICE-T
The Ice Loves Coco stars make a menacing pair – he as Silence of the Lambs' Hannibal Lector and she as a sexy little devil! – while cohosting the Halloween Player's Ball at LAX nightclub in Las Vegas on Oct. 29.
20 of 23
21 of 23
22 of 23
23 of 23
FULL EPISODE | People Now Friday December 15, 2017
The Best Celebrity Debuts on Instagram
Celebs Who Quickly Found Love Again Following Their High-Profile Splits