While on their Caribbean vacation, Kendall Jenner looked lovely as ever as she posed for a variety of glitzy pictures with Hailey Bieber.As they stood on a gorgeous beach in Barbados on Wednesday, the 28-year-old model took to Instagram to share a glimpse of her sun-filled vacation with 27-year-old Hailey.Over the holiday, Kendall—who was joined by her ex-boyfriend Bad Bunny—displayed her amazing physique in a sheer cream cutout dress that revealed a glimpse of her toned abs.She grinned on the beach while holding a glass of wine, accessorizing her bombshell attire with teardrop earrings and showcasing her toned legs.Model Hailey posed beside Kendall looking as stunning in a figure-hugging white strapless dress and hoop earrings.