In the seemingly flawless photo, Lopez rocks navy body-hugging shorts, which perfectly show off her very voluptuous booty. She styled the tiny bottoms with a white blouse, sky-high black stilettos and a bold red lip.
So fierce, J.Lo!
Earlier this week, the Shades of Blue actress gave her fans a sneak peek listen of the track -- which will officially be released Thursday night on iTunes -- on her Instagram, and we're already obsessing over the catchy chorus.
The pop star will perform the full-length song for the first-time ever on the American Idol stage on Thursday, as part of the two-night series finale that kicks off Wednesday at 8/7c on FOX.
Earlier this month, ET dug deep down into the Idol vault, where we found 15 surprising takeaways and behind-the-scenes secrets about the groundbreaking singing competition show that first aired in 2002.
Watch the video below to hear more.