Kim and Pete A Little Kiss, a Little Tongue!!!

Kim Kardashian and Pete Davidson are more than ready to show the world -- they're in love.

They posted vid Sunday ... matching from head to toe. They both have bleached their hair blonde and are decked out in black outfits. And, then ... they kiss for all to see. And, then show a little tongue!

Most people thought this would be a short-term, rebound relationship for Kim, however, it's clearly anything but. They did a photoshoot together last week and they're now fixtures in each other's lives.

This is all going down in L.A. Pete, a lifelong New Yorker, is spending a lot of time on the West Coast, and he seems poised to move out here permanently after his exit from 'SNL.'

Kim's no longer walking on eggshells over all the Kanye drama. She even lashed out at him on her Hulu show, essentially saying she made a mistake protecting Ye at the expense of her family.

That said, they still have to co-parent their 4 kids, but it seems intermediaries are handling a lot of the details. They rarely if ever speak anymore.

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