The blonde beauties have both snapped up this chic snakeskin dress, which features flattering side panels to create the illusion of a tiny waist.
Paris was the first to sport her frock as she hit the FROW at the Diane von Fürstenberg show during New York Fashion Week (8 September).
The socialite kept things simple by adding patent heels and a black clutch, sweeping her tumbling locks over one shoulder.
And Cat went for a similar take on the look as she attended the Vegas Magazine bash in Las Vegas last night (12 September).
She opted for sexy pointed heels, keeping her tresses straight and adding a pop of rouge on her nails.