Break out the blue!

Kim Kardashian just confirmed she's expecting a baby boy with husband Kanye West in a sweet Instagram post to the rapper for Father's Day.

"Precious moments like this when we were traveling on tour with you are what I live for. You're such a good daddy to North & you will be the best daddy to our new son too! 👨‍👩‍👧‍👦," she captioned a sweet photo of Yeezy and their daughter North.

Having one of each is a dream come true for the couple! "Kim always wanted two kids. A girl and a boy," a source dished to Us Weekly. Yeezus is also ecstatic to have a mini-me! "Kanye loves Nori more than anything, but to make his world complete he wanted a little boy, an heir. He's overjoyed!" the source added.

The West's are going to be one cute family of four!