The best celeb Halloween costumes of 2019 as worn by Demi Lovato, Halsey and Kylie Jenner's baby

With Halloween weekend mere days away, the what-to-wear crisis is in full effect, with panicked Google searches on the rise. 

Thankfully, for those of us moments away from cutting a couple of holes in our good white sheets, the eager beavers of Tinsel Town have already come up with some ideas. 

From Demi Lovato to Justin Timberlake and Jessica Biel, the celebrities have been out in force at a variety of A-List dress-up parties with not a plastic pumpkin in sight. 

Without further a-boo (sorry, couldn't help myself) here's some Halloween inspiration straight from Hollywood. 

Kylie Jenner's daughter Stormi Webster
 

Dubbed as "the most Leo thing Kylie could ever do," the reality star has only gone and dressed up one-year-old Stormi as a mini version of herself at this year's Met Gala. 

Peppa Pig be damned, it's every toddler's dream to don a skin-tight Versace mermaid dress, right? 

Of course, there is a cuteness factor that can't be denied, but I still think it pays to hold off commissioning a tiny replica of your high school ball dress at this stage. 

Demi Lovato 
 

Demi absolutely pushed the dress-ups boat out this year with not one, but two different Halloween looks - both flawlessly executed. 

We shouldn't be surprised, though, because she did give us fair warning. 

"I told y'all I don't play on Halloween!" she captioned a snap of her second outfit. 

It's hard to tell which is sexier - Demi's take on Marie Antoinette or Pennywise the clown from IT? Overlooking the latter's tendency to eat children, of course. 

If you want to achieve the same cute look, there's a handy YouTube tutorial available, because it's 2019. 

Jessica Biel and Justin Timberlake 
 

What do you do when you've been busted dissing your husband's boyband in a 90's interview? 

Dress up as the noodle-haired *NSYNC frontman himself, of course. 

After Jimmy Fallon unearthed a 1999 tape of a young Jessica confessing she "wasn't a huge fan" of Justin Timberlake's pop music venture, she's only gone and nailed his trademark look. 

It was a simple three-part costume consisting of just a boiler suit, a curly wig and some tiny blue glasses. 

Try it at home! The only other thing you'll need is a forlorn-looking person to accompany you dressed as a giant microphone. 

Ashley Graham 
 

What it must be like to have a face so perfectly sculpted, it easily resembles the hottest cartoon ever, most of us will never know. 

Plus model Ashley Graham sure does though, as evidenced by her exceptional Jessica Rabbit impersonation. 

Let's not forget, even the very aesthetically blessed Heidi Klum had to resort to extreme prosthetics to achieve her 2015 Jessica Rabbit look. 

An honourable mention must also go to Ashley's unborn child, for valiantly squeezing into that extremely tight latex dress inside her baby bump. 

Halsey 
 

Another pop star not satisfied with just one Halloween costume, Halsey's covered both ends of the musical spectrum by appearing as both Marilyn Manson and Cher this year. 

While Halsey likely had her Marilyn Manson white latex jumpsuit and thigh-high boots specially made, you might get away with squeezing into your old gymnastics kit. 

A convincing Cher is much easier to master - that is, of course, as long as you have naturally chiselled cheekbones, impeccable makeup skills and a dark brown wig as long as the River Nile. 

Cutting a couple of holes in a bedsheet doesn't sound so bad now, huh? 

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