Dance highlights of 2015: Sylvie Guillem's farewell show and George Orwell's 1984
Sylvie Guillem: Life in ProgressThe most famous, most influential ballerina of her generation retires in 2015. Her farewell show will include new works by Akram Khan and Russell Maliphant, plus Mats Ek's poignant Bye.Sadler's Wells, London, 26 to 31 May