Kanye West Announces Girlfriend Kim Kardashian Is Pregnant

It's official! Kanye West announced his girlfriend of eight months, Kim Kardashian, is pregnant with the couple's first child. Kanye revealed the news onstage during his Atlantic City show on Sunday night, stopping mid-set to ask the audience to "make some noise" for his "baby mama."

The news instantly went viral on Twitter and Facebook, with thousands posting and commenting on the expecting couple.

Most of the Kardashian clan also tweeted about the news, including Kim's sisters and mother. Kourtney Kardashian wrote: "Another angel to welcome to our family. Overwhelmed with excitement!"

West, 35, also told concertgoers to congratulate his "baby mom" and that this was the "most amazing thing."