The most recent music video on this list, Spears' 2013 video for her hit single "Work B----" cost $6.5 million thanks to some pretty epic choreography, location changes (deserts to gold-adorned clubs), an extensive wardrobe, and a guest appearance by ... a glimmering white Lamborghini.
And then there are the special effects — Britney stands atop a platform in a pool of color-changing, shark-infested waters in one scene, and a group of mannequins are blown up in another scene.
With such spectacle, we can only imagine what her Las Vegas residency is like.