Dec. 31, 2012 at 1:14 AM ET
E! News has confirmed with the Kardashian family that Kim is expecting her first child with the rapper. But it was West who already spilled the exciting news to a few hundred concertgoers.
During his Atlantic City show on Sunday night, West decided to announce that Kim was expecting to all his fans.
And the congratulatory tweets have already begun for the future parents.
"Congrats to Kim and Kanye. Happy for both of them... bit.ly/YE4Uzh," Russell Simmons tweeted, while the Kardashians all showed their joy for the newest member of the family. "Im a happy girl !!!!!!!!! Wowza! Oh BABY BABY BABY," Kris Jenner tweeted.
Khloé Kardashian Odom wrote, "Keeping secrets is hard with so many family members! Especially when you are so freaking excited!!!!! LOVE is everything!!!!" Kourtney Kardashian also went to Twitter with, "Been wanting to shout from the rooftops with joy and now I can! Another angel to welcome to our family. Overwhelmed with excitement!"
Kim is about 12 weeks pregnant.