'Can you guess?': Heidi Klum gives first glimpse of this year's Halloween costume as she poses in thigh-high boots

Halloween is just around the corner which means Heidi Klum has no doubt already meticulously planned her costume.

The German-born model, who is known to wear some of the most outrageous Halloween get-ups in Hollywood, took to Instagram on Thursday to tease followers with a glimpse of her latest creation.

'First fitting for Halloween ..... Hmmmmmm... what am I going to be this year ? Can you guess !?!?!?!?!?!' the 43-year-old star captioned the snap of her standing in some suede thigh-high boots.

'Can you guess?' Heidi Klum gave fans a glimpse of her Halloween costume this year with this Instagram snap

'Can you guess?' Heidi Klum gave fans a glimpse of her Halloween costume this year with this Instagram snap

Go thigh high like Heidi with her Gianvito Rossi boots

Heidi Klum was all legs when on Instagram, giving us hints to what her Halloween costume was going to be. Wearing just a bondage striped possibly bodysuit and thigh high Gianvito Rossi boots, she was cheeky to reference what trick or treat was to come.

We love a good thigh high boot and Gianvito Rossi never misses an opportunity to offer up an excellent option each season.

Heidi isn't the only only one to love Gianvito Rossi, from the Kardashian clan to A-list fashionphiles like Olivia Palermo, he's a brand that's been spotted on everyone. Kylie and Khloe Kardashian were spotted out in these exact ones too.

So join the suede thigh high club and shop this exact style via the link on the right for $2095 at Barney's. We also have several purse friendly picks in the edit below. The Boohoo boots are a must have!

* PRICES MAY NOT BE AS ADVERTISED

The Project Runway star also wore a bodycon dress with the sexy footwear but hitched it up out of the way hinting that it's all about the boots this October.

No other clues were given as the TV personality appeared makeup-free with her hair swept up off her face. 

Heidi's followers commented in their droves, with some guessing Kim Kardashian or Lady Gaga - however, the model normally doesn't dress as other celebrities.

The 2015 creation: Heidi underwent hours of work to apply facial and chest prosthesis to transform into Jessica Rabbit last year

The 2015 creation: Heidi underwent hours of work to apply facial and chest prosthesis to transform into Jessica Rabbit last year

Some commenters suggested she was going for a Star Wars theme while a couple of others guessed Puss in Boots or Harley Quinn.

Each year the mother-of-four throws an over-the-top bash in either New York or Los Angeles.

In 2015 she dressed as cartoon character Jessica Rabbit after spending hours in the makeup chair having prosthesis applied to her face and chest.

Outdoing herself! Klum wore a VERY realistic old lady costume in 2013 and in 2011 was stripped down to muscle in a gory bodysuit
Outdoing herself! Klum wore a VERY realistic old lady costume in 2013 and in 2011 was stripped down to muscle in a gory bodysuit

Outdoing herself! Klum wore a VERY realistic old lady costume in 2013 and in 2011 was stripped down to muscle in a gory bodysuit

One thing's for sure, the star always has a blast on Halloween. She's pictured here with ex-husband Seal in 2006

One thing's for sure, the star always has a blast on Halloween. She's pictured here with ex-husband Seal in 2006

Previously she's gone as a gorilla, a very convincing old lady and a robot.

Meanwhile, Heidi is back in Los Angeles this week and spending some time with her children Helene, 12, Henry 11, Johan, nine and Lou, six. 

She stepped out with her eldest daughter, who also goes by the name Leni, on Sunday as the duo enjoyed some girl time together. 

The America's Got Talent host has been dating art curator Vito Schnabel, 30, since 2014.

Sunny stroll: The TV host took a walk with her daughter Helene, 12 (Leni) in Los Angeles on Sunday

Sunny stroll: The TV host took a walk with her daughter Helene, 12 (Leni) in Los Angeles on Sunday

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