Kanye West and Kim Kardashian are expecting their first child. West told a crowd of more than 5,000 people at a concert at the Revel Resort in song form: "Now you having my baby."
He also told them to that this was the "most amazing thing."
Kardashian married NBA player Kris Humphries in August 2011 and their divorce is not finalized.
See photos of West and Kardashian here courtesy of Getty Images.