 When "Dynasty" ended in 1989, Collins began rehearsals for her Broadway stage debut, as Amanda in a successful revival of Noël Coward's "Private Lives" (1990).She subsequently toured the US in the same play and also starred as Amanda in a production in London's West End.In 1991, she also starred for BBC Television in a series of eight individual Noël Coward plays under the title "Tonight at 8.30."