Kourtney Kardashian flaunts her curves in figure-hugging onesie from sister Kim's latest SKIMS collection

Kourtney Kardashian - who's due to be walking down the aisle sometime this year - decided to practice her strut while showing offer her flawless curves in a figure-hugging mesh onesie from sister Kim Kardashian's latest SKIMS collection.

Taking to her Instagram Story, the 42-year-old mom-of-three showed her younger sister some love by donning a tantalizing catsuit from her new SKIMS collection. In the short video posted to her socials, Kourtney was seen strutting her stuff as she walked away from the camera seductively.

The catsuit is part of the mogul's new velvet collection, which includes thongs, bras, gloves, and more.  The soon-to-be Mrs. Barker gave viewers a closeup of the textured garment as she posed with her hands over her stomach in one snapshot of just her torso.

In another she rested her chin on her hand and showed off her plump pout. 

The magnified picture featuring the lower half of her mug also displayed a dainty thin necklace with a diamond heart pendant hanging from it. 

Additionally, the Poosh founder shared a detailed outtake of the article of clothing's stirrups feature.