1. When she wore no pants: Kourtney stepped out to dinner with all of her sisters -- Kim, Khloe, Kendall, and Kylie -- at Italian restaurant Il Mulino during New York Fashion Week on Sept. 13, opting to go completely pants-less. Rocking nothing but her black undergarments and thigh-high leather boots under a dramatic wrap dress, she somehow managed to outshine even her stunning siblings.
2. When she put her abs on full display: Nobody does cut-outs better than Kourtney! The Keeping Up With the Kardashians star wowed in a Laquan Smith black mesh jumpsuit at Kylie's 18th birthday on Aug. 9 in West Hollywood, California.
3. When she flaunted her revenge bod in black leather leggings and a bra top: Dangggg girl! Kourtney was a total babe in skin-tight black leather Balenciaga leggings, a bandeau top and a fitted bomber jacket on her way to Up & Down club on Sept. 14, during New York Fashion Week.
4. When she straight-up wore lingerie out to dinner: Kourtney has no problem wearing undergarments as an actual outfit -- and with a body like this, who can blame her? She wore a lacy black Agent Provocateur kimono over a bodysuit while out to dinner with Kim at The Polo Bar in New York City on Sept. 15.
5. When she flashed her bra: Stunning in sheer! Kourtney put her lacy black bra on dull display in a completely sheer green top and skinny black pants, out to dinner with a friend at Craig’s restaurant in West Hollywood, California on Aug. 14.
6. When she expertly pulled off a crop top and heels: Strong is sexy. Kourtney's toned arms were on full display in a black sleeveless turtleneck crop top, white jeans and black stilettoes while filming for Keeping Up With the Kardashians in Van Nuys, California on Aug. 11.