Kendall Jenner showed off some serious leg as she arrived at her star-studded party for 818 Tequila at Soho House Malibu on Thursday night. Stylish entrance: Kendall Jenner showed off some serious leg in a white gown with a daring thigh-split as she was supported by siblings Khloe and Kim at her star-studded party for 818 Tequila held at Soho …