As Life & Style exclusively reported, Blac Chyna, 28, and Rob Kardashian, 29, are expecting twins, and the duo has already discussed baby names!

“Blac wants the twins’ names to be catchy and unique,” an insider reveals, adding, “All she knows for sure right now is that she doesn’t want them to start with the letter ‘K.’”

RELATED: Blac Chyna Flashes Her Baby Bump — and Some Underboob — in a Form-Fitting Dress!

And while Rob's family may not have been on board at first, the source says the reality star's family is now helping out any way they can.

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"[Kris Jenner] has expressed her joy over the twins, telling Rob, 'the more the merrier,'" the insider shares. "[Kourtney Kardashian] is even helping design and decorate their nursery. Rob and Blac had to tell her back off a bit.”

We can't wait to meet the couple's little bundles of joy! Scroll through the gallery below for a look at Rob and Blac's whirlwind romance.