That's right, Rihanna isn't just a music star ... One of her favorites is the Lamborghini Aventador, an Italian supercar that looks like it came straight out of a sci-fi movie.

Bobby: Also, the Lamborghini badge ... is an award-winning jeweler who's made pieces for everyone from Beyoncé to Rihanna. He even built a diamond-coated car badge for his own Mercedes-AMG ...