Kim Kardashian has landed a high-profile modeling job for a brand she has been wearing for many years.The curvy reality TV star - who will turn 42-years-old this year - was seen dressed in a skintight black outfit for the Paris-based brand Balenciaga for photographer Stef Mitchell.This comes after the Keeping Up With The Kardashians star added to her $1B fortune when her brand SKIMS gained new investors. Movin' on up:Kim Kardashian has landed a high-profile modeling job for a brand she has been wearing for many yearsIn the new ads Kim has on a skintight top and a pair of leggings with the Balenciaga logo in white on her leg.She is sitting on a white sofa inside her $60m Hidden Hills, California mansion as she puts one hand on a neon green purse with silver accents.The siren did not go heavy glam as her raven hair was pulled back and she had on pink colored makeup with silver earrings.