Lily Allen isn't a musician you want to cross, lest you become the target of one of her salty, sassy, hook-filled alt-pop jabs. Beyond the ex who makes her "Smile," she eviscerates bureaucrats over a bossa nova swing on "Everything's Just Wonderful," and takes on internet trolls with a bit of EDM on "URL Badman." But that doesn't mean she can't be earnest: Check out the moody electro-pop gem "Everyone's At It" for proof.