Kim Kardashian's bikini game keeps on getting better. Kardashian, 45, took to Instagram on Sunday, November 9, to show off her figure in a sexy bikini during Kendall Jenner's 30th birthday party. Kardashian struck a pose while rocking a charcoal triangle top adorned with silver studs. She styled the look with matching bottoms and a gray pullover, which she tied around her waist. Kardashian further accessorized with a light gray headscarf, which she tied around her brunette mane.