Kim Kardashian Posted 18 Photos of Herself in 24 Hours

— -- Kim Kardashian really is the queen of selfies.

The reality TV star, who recently published a book of self-portraits, has posted 18 photos of herself on Instagram in the past 24 hours, including pictures from her new make-up-free spread in Vogue Spain.

"[Photographer] Theo Wenner... gave me no direction & just wanted to capture me being me," she explained of the Vogue Spain images. "This has to be my favorite shoot I've done! Thank you @VogueSpain & Theo Wenner for these amazing pics!"

Kardashian, 34, also shared selfies from Paris, where she's currently having wardrobe fittings. The "Keeping Up with the Kardashians" star revealed in May that she and rapper Kanye West, 38, are expecting their second child later this year.

More recently, she announced that the baby will be a boy.