Look who's having a baby....

Jessica Simpson, Imma let you finish, but here’s a pregnancy announcement we weren’t expecting.

Kanye West has reportedly announced that his girlfriend, Kim Kardashian, is pregnant. The rapper was performing at a concert in Atlantic City when he shared the news with the crowd, who then shared it via Twitter.

According to Gawker, Kanye said something along the lines of “Stop the music and make some noise for my baby mama”.

After the announcement Kim’s sister, Khloe, tweeted this:

And this was from her sister, Kendall:

We’ll give you more details when they’re available, but in the meantime – why not flick through this gallery of celebrity pregnancies?