Someone call the fire department because Kylie Jenner's best friend is on setting social media ablaze! Stassie Karanikolaou made pulses race when she showcased her unbelievable body in the smallest bikini ever. The 22-year-old flashed a fierce smile while exposing her hourglass figure during a recent tropical getaway. The blonde bombshell has been whisked away to Turks & Caicos with her billionaire bestie and Kylie Jenner's been posting some sizzling beach selfies too. Striking a sexy pose to maximize her hotness, Stassie Karanikolaou slipped into a red string two-piece that is driving fans wild.