 In 1999, Collins was cast in the film version of the musical theatre show "Joseph and the Amazing Technicolor Dreamcoat, " with Donny Osmond.She then starred opposite Nigel Hawthorne in the film "The Clandestine Marriage" (1999), which she also co-produced.In 2000, Collins replaced Elizabeth Taylor as Pearl Slaghoople, Wilma Flintstone's mother, in "The Flintstones in Viva Rock Vegas", a prequel to the Universal Studios live-action film "The Flintstones" (1994, Taylor had originated the role in the first film).