Kim Kardashian and Kanye West Are Expecting Their First Child

Rapper Kanye West delivered a very important message onstage in Atlantic City on Sunday; his GF Kim Kardashian is pregnant!

West said “Stop the music,” then announced, “Make noise for my baby mama right here,” as he pointed to Kim K in the audience. Watch!

After the news of Kim's pregnancy broke late on Sunday, her excited family took to Twitter to discuss the news.

Sister Kourtney wrote, “Been wanting to shout from the rooftops with joy and now I can! Another angel to welcome to our family.Overwhelmed with excitement!”

And little sister Kendall Jenner added, “Whos excited about the KIMYE babbyyy?! :D weee.”

Khloe wrote, “KIMYE!!!!! Keeping secrets is hard with so many family members! 'Especially when you are so freaking excited!!!!! LOVE is everything!!!!” And grandmother-to-be Kris Jenner tweeted, "I'm a happy girl !!!!!!!!! Wowza!"

Kim then confirmed by tweeting on Monday, "It's true!! Kanye and I are expecting a baby. We feel so blessed and lucky and wish that in addition to both of our families, his mom and my dad could be here to celebrate this special time with us. Looking forward to great new beginnings in 2013 and to starting a family. Happy New Year!!! Xo"

Kim, 32, and Kanye, 35, have been dating for about eight months (click here to see what their baby might look like, according to The Daily Mail). They were last seen together on Christmas Day when they attended a basketball game to watch Kim's brother-in-law Lamar Odom play with his new team The Clippers.

Kim recently spoke with "Extra's" Mario Lopez and told him, "I do love babies! Everything is really good. I just feel really at a good place. I really can't complain about anything."