Blac Chyna has lashed out against Kylie Jenner's latest Internet venture: a cooking segment on her mobile app.

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The former fiance to Jenner's current boyfriend Tyga took to Instagram shortly after Jenner's announcement for "Cooking With Kylie" on Monday to highlight the fact she has been running a similar channel, "Cooking With Chyna," since December.

"[Expletive] Bye," wrote Chyna, who is currently romantically linked -- if not controversially so -- with Jenner-Kardashian clan member Rob Kardashian.

In the since-deleted post, showing a screenshot of her cooking channel's Instagram page, Chyna also prompted followers to support "@cookingwithchyna."

In response to the alleged backlash, Tyga -- Chyna's ex and father to her son, King -- took to Snapchat to claim "everything's already been done."

"2016. [Expletive] gotta stop acting like they invented every [expletive] thing out here," he said in another clip.