Kim also shared a series of throwback shots with her other sisters.
Kim Kardashian West and Kylie Jenner celebrated National Sisters Day by twinning!
The beauty-obsessed stars posed in matching one-legged bodysuits -- Kim, 38, in taupe and Kylie, 21, in lavender, holding up their joint perfume line.
“Not sure what I would do without them!!!! #HappyNationalSisterDay,” the mother of four captioned the series of photos.
Kim also shared a series of throwback pics with her other sisters -- Kourtney and Khloe Kardashian and Kendall Jenner.
Kim and Kylie first announced their fragrance collaboration on Friday, posting another shot of themselves in the bodysuits, with Kim writing, “You thought we forgot about you??? KKW X KYLIE perfume coming August 23rd!!!!”
The fragrance launch was originally postponed in April due to issues with bottle durability.
For more from the Kardashian/Jenners, watch the clip below:
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