Kaia Gerber and Jacob Elordi!The two were spotted vacationing in Los Cabos, Mexico, with the model's parents, Cindy Crawford and Rande Gerber, over the weekend, further fueling romance rumors. Kaia showed off her fit figure in a black-and-green string bikini, while Jacob went shirtless and sported gray swim shorts. A source told ET earlier this month that Kaia, 19, and Jacob, 23, «seem super happy» together.