TheKeeping Up With the Kardashiansladies all looked glam for the occasion. Kendall rocked black leather pants, a black tank, and pointy black shoes. Kylie also went for a black look in a cropped tank-top, a long skirt with a slit, and black boots. As for their big sis Khloe? She wore a skin-tight navy blue dress with strappy silver heels. These gals look gorg!
Click through the gallery to see the reality TV stars stepping out for the birthday party. Whose outfit do you like the best? Sound off in the comments!