Khloe Kardashian stopped by Sephora in Calabasas over the weekend, and the reality star showed off her famous curves in a pair of black spandex. When she turned around to climb into her SUV, a handful of bystanders couldn't help but gawk -- and we think we know just what they were staring at!

Khloe revealed earlier this spring that she lost nearly 40 pounds over the last few years, and it was her marital drama with estranged husband Lamar Odom that pushed her to get her ass in gear and hit the gym. Referencing the "dark and toxic" time with Lamar, Khloe told Harper's Bazaar, "At the time, my family didn't know what I was going through. It was the biggest secret I've kept. I just needed a place to go."

"I definitely think the fashion industry, and people in general, look at me more now that I've lost weight," she added. "Even on shoots, I would never have options for clothing. There would always be this attention on Kourtney and Kim, but I was too much work for [stylists] or they had nothing in my size. I wasn't even that crazy big!"

Well, her derriere was crazy big -- and it still is!