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Kim Kardashian. Photo: Getty Images

Just try keeping up with Kim Kardashian!

The 30-year-old reality TV star, who kept things au naturel for W Magazine, has lent her name -- and curvy bod -- to diet pills, sunless tanner, perfume, clothing, jewelry and Botox (unofficially) in the past.

Now, our friends at PopEater are reporting that she has teamed up with MasterCard to create the Kardashian Prepaid Kredit Kard, which aims to help parents track their child's spending habits.

The credit card, which also bears the endorsement of Kardashian's sisters Kourtney and Khloe, allows parents to monitor activity via cell phone.

It's always a family affair with the sisters! They recently inked a deal to develop fashion, accessory, and home lines with designer Bruno Schiavi and Jupi Corporation. After an initial women's ready-to-wear, lingerie, handbags, belts, and wallets collection, which is set to debut in 2011, a luggage, footwear, swimwear, and childrenswear line will later be featured.

After you acquire your Kardashian Kard, you can purchase affordable pieces from their collaboration with QVC, K-Dash!