Kim Kardashian gets tough with Caitlyn Jenner in I Am Cait teaser: 'You don't have to bash us'

The love fest between Caitlyn Jenner and her kids appears to have hit a bit of a snag.

Kim Kardashian appears to call a time out on the gushing in the season-one teaser for I Am Cait. She begins complimentary, then gets tough.

"You look amazing. It's your time. But you don't have to bash us," Kim tells Caitlyn.

Ouch. Watch the full teaser in the video above.

Now we're dying to know what Caitlyn did to deserve that one.