Doris Day, born April 3, 1922, was a celebrated American singer and actress whose career spanned nearly five decades. Rising to fame in the 1940s as a big band vocalist, she became one of the era's most popular female singers, recording classics like Sentimental Journey and the iconic Que Sera, Sera. Transitioning to Hollywood, Day became one of the top box-office stars of the 1960s, known for her roles in films such as Calamity Jane, Pillow Talk, and The Man Who Knew Too Much. With more than 650 songs recorded and numerous hit films, she earned numerous awards throughout her life, including the Presidential Medal of Freedom and a Grammy Lifetime Achievement Award. Day remains an enduring figure in American entertainment history.