Iggy Azalea
The "Black Widow" rapper did her best Scream Queens impersonation at Universal Studios' Halloween Horror Nights.
Ariel Winter
The Modern Family star showed no fear as she explored the mazes at Universal Studios' Halloween Horror Nights.
Khloe Kardashian and True Thompson
Baby's first Halloween costume! The reality star's little pumpkin turned into a pumpkin more than two weeks before the holiday.
Shahs of Sunset Cast
Nema Vand, Mercedes "MJ" Javid, Shervin Roohparvar, Golnesa "GG" Gharachedaghi and Adam Farahan come together at "Halloween Horror Nights" inside Universal Studios Hollywood.
Kendra Wilkinson
Happy Halloween! The reality star attends the Nights of the Jack launch at King Gillette Ranch in Calabasas, Calif., with her family.
Lauren Conrad
Growing up so fast! The Hills star shared an adorable picture of her son at the pumpkin patch.
Janel Parrish
Mirror, mirror on the wall... which liar is the spookiest of them all? -A
The Pretty Little Liars star got into the Halloween spirit at Universal Studios' Haunted Horror Nights.
Jamie Foxx
The actor celebrated his daughter's birthday with a night of frights at Universal Studios' Haunted Horror Nights.
Jana Kramer
Tis' the season. The country singer spent an afternoon picking pumpkins with her husband, daughter and baby-to-be.
Chris Randone
The Bachelor in Paradise couple enjoyed a festive pumpkin patch date.
Adam Devine & Chloe Bridges
Trick or treat? The couple prepared themselves for a night of scares at "Halloween Horror Nights" inside Universal Studios Hollywood.
Teddi Mellencamp
The Real Housewives of Beverly Hills star got her family into the Halloween spirit with a visit to the pumpkin patch.
Shameless Cast
Shameless-ly spooky! Emma Kenney, Ethan Cutkowsky and Shanola Hampton made Knott's Scary Farm VIP night a family affair.
James Franco
The Hollywood actor joins close friends Scott Haze, Michael Gandolfini, Chris Bauer, Isabel Pakzad, Julia Garner and Mark Foster at "Halloween Horror Nights" at Universal Studios Hollywood.
Austin Mahone
The Brand New singer had a spooktacular evening at Universal Studios' Haunted Horror Nights.
Maddie and Mackenzie Ziegler
Ghouls just want to have fun! The dancers strolled through the mazes at Universal Studios' Haunted Horror Nights together.
Derek & Julianne Hough
Traveling with a sibling at Universal Studios Hollywood's Halloween Horror Nights may or may not cause less thrills.
Amanda Stanton
The Bachelor in Paradise alumna got into the Halloween spirit early with a mother-daughter trip to Disneyland.
Trevor Jackson
One moment Knott's Scary Farm monster! This Grown-ish star has to take one last call.
Bridget Marquardt
The former Girls Next Door star visits Queen Mary's Dark Harbor in Long Beach, Calif., over opening weekend.
Lacey Chabert
The Mean Girls actress is ready for fall as she stops by a Pumpkin Patch in Universal City, kicking off Fall Harvest programming for Hallmark Channel and her new movie All of My Heart: The Wedding.
Vanessa Hudgens
The High School Musical star can't miss Knott's Scary Farm in Buena Park, Calif., every Halloween season.
Nolan Gould
Trick or Treat? The Modern Family actor was ready to get spooked at Universal Studios Hollywood's Halloween Horror Nights.
Travis Barker
Monsters can't scare this rock star! But his new friends at Knott's Scary Farm are certainly going to try.