Kylie Jenner celebrated her sister Kourtney Kardashian’s 39^th birthday by revealing their new beauty line

Never one to miss a marketing opportunity, Kylie, 20, wished Kourtney, 39, a happy birthday by unveiling their jaw-dropping photo shoot to promote their makeup collaboration KOURT X KYLIE collaboration.

(Lipsticks & eyeshadow pallets)

View Gallery7 PHOTOS.

In an April 18 Instagram post, Kylie wrote, “HAPPY BIRTHDAY TO THE QUEEN!

So excited to announce the KOURT X KYLIE collaboration. This collection gives me so much lifeeeee! 3 mini palettes & 3 of Kourtney’s signature lippies launching 4/24!”