The music video for "Booty" is finally here, and it's a full-on twerkfest featuring Jennifer Lopez and Iggy Azalea!

We've already gotten a few peeks at the ladies jiggling their butts and writhing around covered in oil, and here's several more minutes of dancing and sex moves. J. Lo tweeted a link to the video and wrote, "#ThrowUpYourHands #Ifyouloveabigbooty #JLoBootyonVEVO feat @IGGYAZALEA." Our hands are up!

And yeah, it still totally blows our mind that Lopez is 45 -- 21 years OLDER than Iggy. Iggy looks amazing too, but dayum! Jenny from the block most definitely still has it...