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Axl Jack Duhamel, North West, Penelope Disick, Fergie Instagram

Instagram

So stinking cute!

Hollywood's biggest stars may have dressed to impress at their respective Halloween parties this weekend. We're looking at you, Iggy Azalea.

But for some famous kids, their costumes deserve a whole lot of love as well.

After Khloe Kardashian posted a picture of North West and Penelope Disick sporting matching skunk costumes, Fergie couldn't help but notice the similarities in her child's outfit.

".@KimKardashian @KourtneyKardashian Great minds think alike," she shared on Twitter with a split image of her child Axl and the little Kardashians. "#LittleStinker #SkunkCostume"

A photo posted by @jamielynnsigler on

But wait, there's more! Jamie-Lynn Sigler's son was also dressed up as the smelly animal. Who knew this was the must-have item for Halloween 2014?

"We didn't sleep all last night due to some teeth but we are still looking for candy!" the actress wrote. "#Ilovemypbk #PotteryBarnKids"

Fergie's connection to the Kardashians stretches much further than just Halloween night.

Throughout the season of Kourtney & Khloè Take the Hamptons, Fergie's new song "L.A. Love" will serve as the show's official theme song. DJ Mustard produced the debut single from Fergie's untitled sophomore album.

"When I do come out with my album, I'm going to be really proud of it," Fergie recently told Ryan Seacrest. The reason for the delay, she added, was her son's birth. "It was time for me to get a little break and have my kid."

Once that album is complete, let's get the playdates going! Sound good, Fergie? 

Don't forget! Kourtney & Khloé Take the Hamptons airs Sunday nights at 9 p.m. only on E!