Kim Kardashian's boyfriend Kanye West has announced that the reality TV star is pregnant with their first child.Kanye shared the couple's happy news during a performance at Revedl in Atlantic City, New Jersey on December 30, and the brunette beauty's representative has now confirmed the news.During the show, Kanye — who has been dating Kim since April 2011 — told the audience to "stop the music and make noise for my baby mama."While Kim, who is believed to be around 12 weeks pregnant, hasn't spoken...