By Seamus Duff Isla Fisher and Sacha Baron Cohen blindsided fans on Friday by announcing they had quietly ended their marriage last year. The star couple had been in a relationship since 2001, tied-the-knot in 2010, and welcomed three children together. But as the week came to an end, 48-year-old Isla shocked her fans when she announced she and 52-year-old Sacha had called time on their marriage \- and had done so secretly at some point in 2023. Her shock split announcement, shared via Instagram, said: “After a long tennis match lasting over twenty years, we are finally putting our rackets dow…