Kourtney Kardashian Works Slim Post-Baby Body in a T-Shirt With Kendall’s Face on It: See Her Sisterly Street Style!

Family ties are the most fashionable ones!

Supporting her designing half-sisters while working her slim post-baby body, Kourtney Kardashian stepped out in Tarzana, Calif., on Thursday, March 26, wearing one of Kendall and Kylie Jenner’s “selfie” T-shirts from their limited-edition PacSun collection.

PHOTOS: Kourtney’s body evolution

The 35-year-old mom of three’s tee of choice? One featuring a stunning black and white photo of rising model Kendall, who was snapped looking off to one side while riding a horse.

PHOTOS: How Kourtney stays fit and fab!

Kardashian, already slim just three months after giving birth to baby Reign, paired the sold-out top with light-wash skinny jeans, black sunnies, and a leather backpack.

PHOTOS: Kourtney’s boho pregnancy style

Earlier that day, Scott Disick’s longtime love proved her sisterly love, too, when she posted a photo from Kendall’s sexy Calvin Klein campaign via Instagram. Sweetly captioning the glamour shot, Kardashian wrote, “So proud of this as beautiful on the inside as she is outside sister of mine.”

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This article originally appeared on Usmagazine.com: Kourtney Kardashian Works Slim Post-Baby Body in a T-Shirt With Kendall’s Face on It: See Her Sisterly Street Style!