Kylie Jenner used her Instagram platform to share new flicks with her nearly 400 million followers on Saturday.

The birthday girl rocked a personalized tasseled shirt for the bash, while her mom sported a mainly all-black leather look ...

Kim Kardashian/Instagram; Khloe Kardashian ... Mom Kim rocked a mainly all-black leather look, wearing a cowboy hat with an unbuttoned shirt, western belt and blue jeans beneath a pair of chaps ...

It’s not Kim Kardashian’s first ... Mom Kim rocked a mainly all-black leather look, wearing a cowboy hat with an unbuttoned shirt, western belt and blue jeans beneath a pair of chaps as ...

Wearing a black leather button ... matching white pants, and a silver-studded cowboy hat. Kim's haircut comes just days after her younger sister Khloé Kardashian debuted her shortest hairstyle ...

Kardashian finished off her look with a bolo tie around her neck, a big belt, dark-wash jeans, and black leather chaps ... matching white pants, and a silver-studded cowboy hat.

Kardashian shared photos and videos of the celebration, showing her daughter dressed up in a white cowgirl outfit ...

layered an oversized coat over a little black dress. Meanwhile, the fashionable tot looked adorable in a silver puffer jacket and leather pants and Bieber chose an over-the-top Ferragamo gray fur ...

Kim Kardashian is showing some skin ... For the special occasion, the birthday girl wore a silver and white, western-styled pants set, complete with a cowgirl hat and fringe bottoms. “ ...

She's also wearing pants, boots ... In a mirror selfie, Kardashian is seen pouting for the camera as she wears an unbuttoned black shirt and jeans that she accessorized with some awesome cowboy ...

Spanx's PonteBlazer has a four-way stretch material, is easy to style with a variety of outfits, and pairs with the sculpting, stretchy PerfectFit Pants for the ultimate black suit. Best overall ...

the son of Khloe Kardashian, rocked a double denim outfit. Kim joined the fun as she wore an all-black leather outfit with a cowboy hat, unbuttoned shirt, western belt, and blue jeans under a pair of ...