Being old is cool and all—you get to have cookies for dinner and rent cars and buy your own underwear and stuff—but in her new single "21st Century Girl", Willow Smith makes a pretty damn convincing argument for never growing past the age of eleven. Unfortunately, she also dips her toe a little too eagerly into the Ke$ha end of the pool, effectively reminding us why growing up might be worth it in the long run: deep down, most kids have pretty bad taste.
