"It all started because I, like many girls, wake up in the morning, look at a closet full of stuff, and feel like I have nothing to wear," Nicky Hilton shared with WhoWhatWear. "I am numbers person, and found that there are pretty much six main silhouettes I wear each season and five main accessories. The 365 method has really helped me to have a more orderly closet filled with things I am actually going to wear."

Hilton's insider-wardrobe guide, 365 Style hit shelves in fall of 2014. Her signature method helps streamline the often anxiety-inducing process of getting dressed, based on your personal preferences — and yeah, a little "3-6-5" math. According to an interview with Hamptons zine Dan's Papers, Hilton assures, "You can learn to be stylish, but it should be effortless. I think style is being unique and coming up with your own signature look...not chasing every trend."

Describing her own style as "sophisticated with an edge," Hilton confessed to a fashion fail when she was younger. "I wouldn't say I regret it, but my sister and I used to love dressing alike. I'm sure there are a lot of photos you can find. I look back on that and find it funny," WhoWhatWear revealed. Considering the fashion icon has never hired a stylist, you know Hilton has put in the time working this out for herself, and for us.