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Kanye West and Kim Kardashian are expecting their first child.
The rapper announced at a concert that his girlfriend is pregnant.
He told the crowd of more than 5,000 at the Ovation Hall at Atlantic City's Revel Resort in song form: "Now you having my baby." The crowd roared.
Most of the Kardashian clan tweeted about the news, including Kim's sisters and mother. Kourtney Kardashian wrote: "Another angel to welcome to our family. Overwhelmed with excitement!"
Kanye also told concertgoers to congratulate his "baby mom" and that this was the "most amazing thing".
The rapper and reality TV star went public in March.
Kim married NBA player Kris Humphries in August 2011 and their divorce is not finalised.
