Instead of adding text over her sexy shot, she simply put the purple devil emoji. In case you're curious how much it costs to get into Tyga's skivvies, it's actually pretty reasonable. According to the Crisp website, they're less than $12 a pair!
Repping his clothing line isn't the only way Ky's been showing her man support. She also changed her Instagram name to "King Kylie" to be similar to his, which is "King Gold Chains." Wearing your guys' underwear and matching Instagram names? Sounds like things are pretty serious between these two!
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Gallery | Read Her Lips: Kylie Jenner Memes