http://en.wikipedia.org/wiki/Mandatory_Fun

Weird Al Yankovic's new album, Mandatory Fun, parodies Robin Thicke, Iggy Azalea, Lorde. and Pharrell Williams. "Word Crimes" is a parody of "Blurred Lines" by Robin Thicke featuring T.I. and Pharrell Williams, and is about criticizing bad grammar; "Handy" is a parody of "Fancy" by Iggy Azalea featuring Charli XCX, and is about home improvement skills; "Foil" is a parody of "Royals" by Lorde, and is an ode to aluminum foil; and "Tacky" is a parody of "Happy" by Pharrell Williams, and is about questionable fashion choices.