Kim Kardashian stuns in ‘Cowbot’ Halloween costume for sister Kendall’s birthday party as she made fans wait hours before revealing her outfit in multiple social media snaps

Kim Kardashian did not disappointed as she wowed fans with her Halloween costume for sister Kendall Jenner’s Halloween party.

The 41-year-old reality star showcased a custom metallic ‘Cowbot’ costume designed by Thierry Mugler.

Kim shared multiple Instagram snaps, posting the silver costume which included chaps, a matching bra and a cowgirl hat.

However, the SKIMS founder did keep fans waiting until late Sunday night to see what she dressed up as.

The costume showed of her incredible figure as she referred to it as a hybrid between cowgirl and a robot in the caption.

The armour design also featured a bra which showed of Kim’s midriff.

To complete the look, Kim had a metallic manicure and make up, she wore a matching cowgirl hat and kept a prop pistol in a holster by her thigh.

Kim headed to half-sister Kendall’s birthday bash at Harriet’s Rooftop in West Hollywood.

Model, Kendal has an annual Halloween-themed birthday celebration each year which is filled with celebrity A-listers, including Justin and Hailey Bieber, The Weekend and the rest of the Kardashian’s inner circle.

Kim shared videos of a low key family day at her Hidden Hills mansion before heading to the night out.

She was joined at her home by best friend Lala Anthony who dressed as a Sєxy ninja and former WAGS stars Olivia Pierson and Natalie Halcro who posed along side Kim in clown costumes.