Pregnant Kourtney Kardashian slept in the same bed as Penelope and Mason while the kids wore matching pajamas on Monday, Aug. 18 Credit: Courtesy of Kourtney Kardashian

What a crew! Pregnant Kourtney Kardashian made bedtime a family affair on Monday, Aug. 18. The Keeping Up With the Kardashians star — expecting her third with beau Scott Disick — recently cuddled up to her adorable daughter Penelope and son Mason in bed.

"Happy Monday!" the 35-year-old captioned a sweet picture of the trio. Kardashian slept on her side and wore white pants and a matching long-sleeve top. Penelope, 2, was zonked out next to her famous mom in a pink two-piece pajama set by Roberta Roller Rabbit with little flying pigs. Mason, 4, wore a matching blue set.

One day earlier, Kardashian snapped an up-close picture of the adorable kid PJs. "Bath time!" she wrote via Instagram on Aug. 17. One set of the Roberta Roller Rabbit nightwear — which includes buttons near the neckline and an elastic waistband — is listed at $55.

"Nelly" and Mason will soon have another sibling to snuggle up to. Us Weekly broke news in June that the family was gearing up for baby No. 3. "It was planned," a source told Us at the time. "[Kourtney] wants to have a handful of kids."