Kim Kardashian is pregnant with her first child, her rep confirmed to Just Jared.

The 32-year-old's boyfriend Kanye West announced the big news in a big way -- right in the middle of his concert at Revel in Atlantic City on Dec. 30. The 35-year-old rapper told the crowd to "stop the music and make noise for my baby mama," referring to Kardashian, who was in the audience.

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Kim Kardashian is pregnant with her first child, her rep confirmed to Just Jared.