PIC: Kim Kardashian Wears Skimpy Lingerie in Racy Instagram

Kanye West better be following Kim Kardashian on Instagram!

The reality star treated her 1 million followers to a sneak peek of a lingerie photo shoot.

In the Instagram, Kardashian, 31, poses for photographers wearing retro black-lace lingerie and Brigitte Bardot-style hair.

PHOTOS: Kardashian's hot bikini bods

Kardashian enjoyed a family vacation to the Dominican Republic in March and revealed her best-ever bikini bod. Before the trip, she shed 10 pounds in 10 days!

"I went gluten-, dairy- and sugar-free," Kardashian, who used Sunfare's 1,300 calorie-a-day meal-delivery program, told Us Weekly.

PHOTOS: Kardashian family vacation album

As revealed in the new Us Weekly, Kardashian and West, 34, are taking their friendship to the next level and starting a relationship.

A pal say West has fallen "genuinely head over heels" for Kardashian.

"It's not a PR stunt," a source adds. "They're perfect for each other. He thinks she's his Beyonce!"

PHOTOS: Kim's struggles in 2011

Tell Us: Do you think Kardashian is a good "Beyonce" for West?