Clueless (Trafalgar Theatre, London) is a bangin', big-hearted new staging of the 1995 movie, with a bright and breezy score by Scottish singer-songwriter KT Tunstall. American starlet Emma Flynn shines as Cher, and the show is as flawless as Cher's complexion. Farewell Mister Haffmann (Park Theatre, London) benefits from a late Teutonic far-right surge, with a Nazi ambassador to France and his wife invited to dinner at the house of a Parisian jeweller. Punch (Young Vic, London) is a thumping, in-yer-face drama that leaves you winded, using a real-life story to illustrate and interrogate Britain's crumbling social and political fabric.