For the past nine months, Kylie Jenner's been mostly hid away to keep her pregnancy with new daughter Stormi out of the public eye. We might not have known back then, but Jenner had been working on something really special for her that entire time.

Alert! Alert! Kylie Jenner just revealed a new Kylie Cosmetics collection.

kylie jenner makeup
photo: Instagram/kyliejenner

Introducing the Weather Collection.

kylie jenner weather
photo: Instagram/kyliejenner

It features three creamy matte lipsticks in shades Nightfall, Cosmic, and Nova.

kylie jenner lipstick
photo: Instagram/kyliejenner

Four sparkly liquid eye shadows in shades Superstar, Twinkle Twinkle...

kylie jenner shadow
photo: Instagram/kyliejenner

Destiny, and Violet Moon.

kylie jenner shadows
photo: Instagram/kyliejenner

There are two entire pressed eye shadow palettes.

kylie jenner
photo: Instagram/kyliejenner

One is the dark and earthy Eye of the Storm palette.

kylie jenner
photo: Instagram/kyliejenner

The other is called Calm Before the Storm.

kylie jenner makeup
photo: Instagram/kyliejenner

It's full of dreamy pastels.

kylie jenner palette
photo: Instagram/kyliejenner

There's a new ~holographic~ lip gloss called Flash Gloss, too.

kylie jenner gloss
photo: Instagram/kyliejenner

AND a highlighter palette.

kylie jenner palette
photo: Instagram/kyliejenner

And, to top everything off, a yellow-gold loose highlighter called Lightning Bolt.

kylie jenner
photo: Instagram/kyliejenner

The entire collection drops at Kylie Cosmetics on February 28 at 3 pm pst.

So Kylie fans — and Stormi fans — start your engines.

This one's going to go FAST.

WATCH: Meet Kylie Jenner's BFF Jordyn Woods — subscribe for more!