Kim Kardashian has babies on the brain -- and she even has a father all picked out.

On Sunday morning, the Kourtney and Kim Take New York star, 30, Tweeted a cute childhood pic of beau Kris Humphries.

PHOTOS: The Kardashians take NYC!

"I want my son to look like this!" Kardashian wrote.

About a month ago, Kardashian first stepped out with the New Jersey Nets basketball player, 25 -- just days after splitting from model Gabriel Aubry.

PHOTOS: Her adorable nephew Mason Dash Disick's first year!

In the past, the star has been ambivalent about becoming a mom like her sister Kourtney, 31. "Let's just say Mason is the best birth control ever!" she said during a July radio interview. "I'm definitely happy to wait awhile."

PHOTOS: The Kardashian sisters as kids

Yet on an episode of Kourtney and Khloe Take Miami taped earlier that year, she admitted, "I seriously thought by the time I was 30, I would have one [baby] and a bun in the oven...I cannot wait to have a baby just like [Mason]."

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