The big announcement by Kanye West that Kim Kardashian is expecting his baby has sparked immediate speculation about how much exclusive newborn pictures could fetch. But sources think it will inevitably lead to a disagreement between West and the clan.

PHOTOS: KIM KARDASHIAN

One told us, “Like Jay-Z and Beyoncé did with their little Blue Ivy [they put the pics on Tumblr], Kanye will want to post the pictures his way, probably publicly through Twitter — which will no doubt put him at odds with matriarch Kris Jenner, who’ll want to make a deal with the highest bidder.” Happy couple Kimye rang in 2013 in Vegas last night, where she was getting $300,000 to appear at 1Oak.