October 12, 2015 03:40 PM

If you thought Kylie Jenner‘s “teen-appropriate outfit” she sported last week was the beginning of a new fall wardrobe for the 18-year-old star, think again. Kylie is back to her sexy, midriff-baring ways, and she just posed in a super-snug sportswear ensemble to prove it.

Courtesy Kylie Jenner

In the Instagram photo, Kylie poses poolside in a sporty-meets-sexy athleisure ensemble, including a pair of bold-printed pants that really showed off her assets. She completed the festive bottoms with a simple gray sports bra and casual sneakers.

Is Kylie wearing her favorite butt-enhancing Spanx underneath. Unclear. She revealed her shapewear secret on Twitter, that she loves Assets by Spanx Mid-Thigh Body pants, calling them “the bomb.”

We already know the teen loves a suggestive bikini belfie (even in autumn), but coming in a close second is her sexy sportswear selfies. So we rounded up the best below.

First there was the super-sporty, full-length track suit. (A warm-up to more suggestive looks.)

Then came the close-up shots of her Superdry Sport neon pink bra, showing off the secrets to her Kylie Kleavage.

RELATED PHOTOS: Last Night’s Look

Next was a more sultry-from-behind look with her crisscross sports bra and graphic-print gray tights. (Do we detect butt pockets?)

And finally, this cleavage-baring front view of the revealing (we’re guessing not-so-supportive) sports bra.

Which sportswear look is your favorite? Share below.

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–Colleen Kratofil

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