Kim Kardashian expecting baby

Kanye West announced his girlfriend Kim Kardashian is pregnant during a concert in front of a crowd of more than 5,000 at the Ovation Hall at Atlantic City's Revel Resort.

In a video posted online by normalmag.com, the rapper stops the music and asks the crowd to congratulate his "baby momma".

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Kim Kardashian's family have taken to Twitter to express their joy at the news that she is reportedly pregnant.

Keeping secrets is hard with so many family members! Especially when you are so freaking excited!!!!! LOVE is everything!!!!

From @KhloeKardashian on Twitter: ( 5:31 am, Mon 31 Dec 2012)

I'm excited for Kanye and my sister! There's nothing like bringing life into this world! Let's keep Gods blessings coming!

From @RealLamarOdom on Twitter: ( 5:58 am, Mon 31 Dec 2012)

Been wanting to shout from the rooftops with joy and now I can! Another angel to welcome to our family. Overwhelmed with excitement!

From @KourtneyKardash on Twitter: ( 5:48 am, Mon 31 Dec 2012)

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Reality TV star Kim Kardashian is pregnant with rap musician Kanye West's baby, according to entertainment site E.

Kim is 12 weeks pregnant, according to reports.

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