Picking out your bikini is arguably one of the most important decisions when packing for a tropical vacation. For Kylie Jenner, her treasure trove is full of rare fashion gems, making a fiery red Chanel two-piece bathing suit covered in rhinestones less of a surprise,

She's shared several photos from her beach trip with sister Kendall Jenner over the past few days, and the shots she posted to her Instagram stories a few hours ago leave nothing to the imagination. First,

Kylie and Kendall Jenner recently embarked on a beach vacation, which they documented with a new series of posts on Instagram.