Selena Gomez has partnered with OREO to make a limited-edition horchata-inspired cookie. The new flavor blends cinnamon, chocolate and sweetened condensed milk creme. The new cookie will be available in the U.

PEOPLE can exclusively reveal why the star chose to work with Oreo, despite sparingly collaborating with brands, and how the sentimental flavor came to be

She started the photo dump with a glamorous shot from inside her home, in which the pop star stunned in a black halter top and her signature slicked-back hair. The Rare Beauty founder was literally glowing in natural makeup, which included an over-lined but nude-colored pout and winged eyeliner.