Jessica Simpson, Neil Patrick Harris, Jimmy Fallon & More Share Sweet Photos of Their Kids’ Halloween Costumes!

The whole Lachey family, including dad Nick, mom Vanessa, and kids Camden and Brooklyn spent Halloween decked out in Toy Story gear.

Newlyweds Jenni "JWoww" Farley and Roger Mathews were joined by soon-to-be big sister Meilani Mathews for an all-Minions Halloween look.

Three-year-old Maxwell Drew Johnson gets cat-like in this puckered-up pose for mom, Jessica Simpson.

Jimmy Fallon's youngest daughter, Frankie, celebrated Halloween as Farrah Fawcett. The happy dad captioned this sweet pic with a simple: "Happy Halloween!!"

Fallon's older daughter, Winnie, 2, went in a throwback Margot Tenenbaum costume, inspired by the film The Royal Tenenbaums.

Fergie (who dressed up as Batgirl), and Josh Duhamel (a clown), were joined by their son, Axl, for this sweet family pic.

Gisele Bundchen shared this adorable snapshot of her two kids with Tom Brady, who went as The Hulk and Nemo.

Zoe Saldana's twins with husband Marco Perego got into the classic Halloween spirit with a couple spooky masks.

Inspired by Topo Gigio, Shakira, Gerard Piqué, and sons Milan and Sasha Piqué Mebarak joined in on the Hollywood fun in this family photo.

Talk about #SquadGoals! Alyssa Milano and husband Dave Bugliari, along with kids Milo and Elizabella showed up for Halloween in their Despicable Me gear.

Kourtney Kardashian posted this photo of herself, along with kids Mason, Penelope, and Reign, and simply captioned it, "Superheroes."

Never one to be outdone, Neil Patrick Harris shared his annual family Halloween photo. This one, is from "A long time ago in a Halloween far, far away," he wrote on Instagram.

Dad Ben Haggerty, also known as Macklemore, shared this shot of his first child, daughter Sloane, dressed as a strawberry.

"Elsa & Anna in the house! #HalloweenVibes," wrote Kim Kardashian about this pic of daughter North West and her niece, Penelope Disick.

Newly uncoupled Gwyneth Paltrow shared a rare photo of daughter Apple Martin, made up in their spookiest skeleton looks.

"Happy Halloween! Love, Tink, elephant munchkin, some strange bunny, and…well…Alec in hiding," wrote Hilaria Baldwin about this family Halloween photo with husband Alec Baldwin and kids Carmen and Rafael.

Pink, Carey Hart, and daughter Willow perfected their E.T. ensemble in this family portrait.

No conventional Halloween costume for Viola Davis' daughter. "So…..the Elsa costume? Didn't work for her. The Pirate? A no go," writer Davis about this photo of her daughter, Genesis Tennon. "So she finally said," I just want to be YOU mommy"! So… uhh….this is ME."

Jessica Alba's younger daughter, Haven dons her best princess gown in this photo where she's seen trick-or-treating with a friend.

"Happy Halloween from the Cibrians!," LeAnn Rimes writes about this Instagram family photo. "Little @theweightsaint little @janefonda little #trafalgarlaw little #scaryclown #halloween #halloweencostume #trickortreat"