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Once you go matte, you never go back ... to shiny black paint.

Kim Kardashian and Kanye West headed to Thanksgiving dinner at mom Kris Jenner's house, but decided to drive separate cars.

The bootylicious reality star hopped in her matte black Mercedes G-Wagon while her beau Kanye drove his matte black Lamborghini ... a gift from his sexy lady.

Aside from being able to drive such killer vehicles, wonder what else these two lovebirds are thankful for?

See more of Kim and Kanye's pricey rides in our gallery below.