Little Miss Muppet?

Cameron Diaz has been offered one of the lead roles in Brian Henson’s The Happytime Murders says Vulture

The dark tale is set in a comic world where humans and puppets co-exist. But instead of a joyful, existence, these Muppets are treated as second class citizens and just as likely to get into booze, drugs and sex as any of their human neighbors

For example the article mentions, a cow puppet getting an udder massage from an octopus in a very adult way.

"This is definitely not a PG-13 movie. They're not f*cking around with this: It's 'Go big or go home"

Henson, the son of Jim Henson, is planning to direct, None of the well known Muppets like Kermit the Frog will be be in the movie.

Consider my Curiosity piqued.