The Prom review - merry Meryl in middling musical
Ryan Murphy stage-to-screen transfer is a celeb-filled civics lesson
Four Broadway denizens resolve to change the world "one lesbian at a time" in the cheerful if often cheesy The Prom, the film adaptation of a recent Broadway musical that continually reminds you of at least a half-dozen similar titles, almost all of which are better (Hairspray, to name but one).