Kim Kardashian was seen celebrating the 13th birthday of Mason.

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Kim Kardashian was seen in a crop top and leather pants.

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The 42-year-old reality star was looking very beautiful.

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She attended the birthday party of her nephew Mason.

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This birthday party happened in West Hollywood California.

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She was also handling a small black purse in her hand while keeping her hair open.

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Her makeup was also on the point that was totally matching with the tone of her skin.

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Kim Kardashian went with a cross-chain and diamond necklace.

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She was not there alone but with the whole family.

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The party was great as it matched the theme of the color black where all the guests wore black.

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