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Kourtney K & Travis Barker Loved Up in Leather ... Matching Dinner Garb

Kourtney Kardashian and fiancé, Travis Barker, are very much one and the same -- at least when it comes to what they wear to dinner -- matching up in black leather.

The lovebirds were spotted locking lips and walking hand-in-hand, as they attended a private party inside NOBU Malibu Wednesday. Check out their outfits, each decked out in what appears to be leather ... Kourtney in a two-piece ensemble and Travis rocking a jumpsuit.

Funny enough, Trav's jumper looks very similar to Kim K's Prada fit she recently wore to a meeting with Vogue editors in Milan -- though hers was a different color.

As you know, Travis got down on bended knee back in October to pop the question -- and, the two have been locked in ever since -- though there's not yet a publicly announced wedding date.

Of course, other members of the Kardashian/Jenners were also at NOBU for the Revolve and Good American party ... including Khloe and Kendall. Khloe went for a denim on denim ensemble and Kendall wore all white.

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