Kourtney Kardashian and Scott Disick have picked up right where they left off a year-and-a-half after their breakup!

The couple is officially back together and ready to expand their brood. "Kourtney never stopped loving [Scott], and they both feel they make great babies together," a source tells Life & Style.

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"Having another child with Scott will be a dream come true," the insider says of the brunette beauty, 37, who already shares sons Mason, 6, and Reign, 23 months, and daughter Penelope, 4, with the 33-year-old.

kourtney kardashian scott disick kids splash

Scott and Kourtney with Mason and Penelope in June.

As for Scott's struggles with substance abuse, he's cut back on drinking and has started behaving again, the insider explains. "He apologized for his mistakes and told her he's a changed man."

For more on the Kardashians, pick up the latest issue of Life & Style, on newsstands now! And scroll through the gallery below to see Kourtney and Scott’s cutest pictures together.