Neil Patrick Harris & David Burtka
The doting dads ensured that the whole family went classic Hollywood: NPH was Groucho Marx, David is Charlie Chaplin, Harper as Marilyn Monroe reminds us that diamonds are a girl's best friend and Gideon is a rebel without a cause as James Dean.
Chrissy Teigen & John Legend
The couple's 6-month-old daughter Luna has already modeled a variety of costume options ahead of her first Halloween.
Little Luna
Chrissy Teigen and John Legend continued teasing their daughter's first Halloween costume with this adorable, Hawaiian getup!
Kendra Wilkinson-Baskett & Hank Baskett
The reality TV star shared this sweet pic of her hubby giving their kids, Hank IV & Alijah Baskett, a ride through the pumpkin patch.
Kellie Martin & Keith Christian
Like all on-point celeb parents, they took their girls Maggie & Olivia to the pumpkin patch.
Liv Tyler
Left Shark has returned (and the family dog doesn't look too scared)! The shared this candid shot of her son Milo trying on his Halloween costume.
Coco & Ice-T
Little Chanel looks as cute and cozy as ever in this little monkey costume.
Little Chanel
Coco and Ice T shared another photo of their daughter's "Sweet Little Lamb" costume.
Ivanka Trump
The businesswoman and husband Jared Kushner's 7-month-old son Theodore is the adorable face of this Mickey Mouse operation.
Nick Cannon & Mariah Carey
The friendly dressed up with their twins, Monroe and Moroccan, for a Halloween party—but Mariah devilishly did her own thing while the rest of the family went in on a Super Mario Bros. theme.
Reese Witherspoon
The Oscar winner gave fans a sneak peak at her family's Halloween decorations—and her son Tennessee may want to keep an eye on his candy.
Ciara
Future Jr.'s expectant mom is all smiles in this adorable snap of them visiting a pumpkin patch.
Jaime King
"Pumpkin King and Queen, James and Winter," the model mom captioned this photo of her son and his little pal at a pumpkin patch. (Sorry, Winter, James seems more into the ice cream at this age.)
Amanda Stanton & Josh Murray
The Bachelor in Paradise stars took her daughters Kinsley and Charlie on a magical trip to Disneyland, taking a quick pic in front of pumpkin Mickey on their way to Space Mountain.
Christina & Tarek El Moussa
The Flip or Flop stars' kids Taylor and Bray get into the Halloween spirit at a pumpkin patch.
Molly Sims
Storm clouds and cotton candy have never looked this cute! Sims shows off her DIY skills in this snap of Brooks and Scarlett's homemade costumes.
Tori Spelling & Dean McDermott
Stella, Hattie, Liam and Finn practice their scary faces.
Jenna Bush Hager & Henry Hager
The proud parents shared this adorable photo of their trip to a pumpkin patch with daughters Margaret and Poppy.
Jamie Lynn Sigler
The Sopranos actress and son Beau get ready for Halloween with some colorful pumpkin painting.