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Nothing like having a baby out of wedlock to bring a feuding family closer together!

The internal fighting between Khloe and Rob Kardashian over his relationship with Blac Chyna is no secret -- but it seems as if the siblings have worked things out now that the sock designer and his lady love are going to be parents, reports Us Weekly.

The outlet is reporting that Khloe reached out to her little bro after Rob broke the baby news to his family.

While many are shocked by the big reveal -- we aren't. The couple has been moving at light speed, much to the objection and horror of his family (especially Khloe), since they began dating in late January. After a mere two months, the former recluse proposed to his Instagram-obsessed girlfriend with a $325,000 7-carat diamond ring.

The Kardashian/Jenner crew was reportedly outraged by the union at first, but now it appears as though Khloe's changed her tune and has offered the olive branch out to her estranged brother …

The source told Us that, "Rob and Khloe spoke three weeks ago and they worked things out." The insider added, "She's happy for the baby."

According to the source, the formerly reclusive Rob, who used to live at Khloe's home in Calabasas, California until she kicked him out over his relationship with Chyna, has gone to his former residence and "patched things up" with his ex roomie.

The source said, "The baby brought them together. Rob is having a baby, which is huge and she needed to be there for him. It was the right thing to do."

Kris Jenner's worst nightmare became a reality when Chyna's rep confirmed that the newly engaged couple was pregnant on Friday, May 6.

Chyna's spokesperson said, "She's very happy." Of course she's happy — Chyna is pregnant with the golden ticket!

TMZ broke the news earlier in the day and reported that model was planning to make the big announcement on Mother's Day. However, it appears as though the outlet stole the media-obsessed couple's thunder -- so the twosome made the confirmation via her rep as well as posts on their Instagram pages -- both Chyna and Rob posted an Kimoji-style image of a pregnant Chyna. Now if that's not the classiest baby announcement we don't know what is?!

The family seems to be banding together in the wake of the news … as this will be Rob's first child. In case you forgot, Chyna is already a mother to 3-year-old King Cairo, whom she shares with Tyga, who dates Rob's half-sister Kylie Jenner, who is Rob's youngest sister. Oh what a tangled web the Kardashians weave!

Despite the confusing family tree, the rift in the clan seems to healing thanks to efforts made by reported "peacekeeper" Kim, who apparently made a call to his brother's flame and worked things out on behalf of the family. Soon after Kim's peace offering, Kylie mended fences with Chyna -- at least on Instagram, which is where it really matters.

The drama never ends with this family -- which is exactly how we like it …