There comes a moment in the life of all young pop stars when their management teams realize that a change needs to be made—that like most humans of a certain age, they have functioning sex organs—and thus, more importantly, that continuing to market them exclusively to tweens would now be more creepy than cute. With this realization comes the inevitable image overhaul, often in the form of a “Let Me Prove I’m a Sexy, Sexy Grown-Up” song-video combo. Think Britney’s “Oops!