Complex sentence: In 1944, on her 25th birthday, Jones won the Academy Award for Best Actress for her performance as Bernadette Soubirous, beating out her friend, Ingrid Bergman, who was the Best Actress nominee for her work in "For Whom the Bell Tolls".
Split into simpler sentences: In 1944, on her 25th birthday, Jones won the Academy Award for Best Actress for her performance as Bernadette Soubirous. That year, Jones' friend, Ingrid Bergman, was also a Best Actress nominee for her work in "For Whom the Bell Tolls".