Cameron Diaz was the cat's meow with her Cartier panther head ring at the Tokyo Holiday movie premiere recently. Molded from yellow gold, detailed with black lacquer scratches and pierced with two peridot eyes, this ring is far from basic and comes with a $14,600 price tag. She's not the only star going crazy for the cat -- we spotted Hilary Duff in panther bangles and Rosario Dawson in a similar panther ring recently too. Get the ...