Press night coverage of Dreamgirls the Musical at the Savoy Theatre, London. 14th December 2016. Dreamgirls - One Night Only - Savoy Theatre London Buy tickets for Dreamgirls London Savoy Theatre Book tickets on-line now or call 0203 567 0620. Buy tickets here: Amber Riley stars as Effie White in the West End musical premiere of Dreamgirls. Watch these clips of One Night Only, .