Actress and singer Doris Day has passed away at the age of 97.

The legendary actress died at her Carmel Valley, California, home surrounded by close friends. Day “had been in excellent physical health for her age, until recently contracting a serious case of pneumonia,” the foundation said in a statement to The Associated Press.

Known as the ultimate girl-next-door, Day had a decades-long career of acting and singing. She was well-known for her carefree song 'Que Sera, Sera' and milestone roles like starring alongside Rock Hudson in 1959's 'Pillow Talk.' Doris was also a passionate animal activist and founder of the Doris Day Animal Foundation (formerly The Doris Day Pet Foundation) in 1978.

Her last film role was in the 1968 comedy 'With Six You Get Eggroll,' after which she shifted her focus to television. She went on to star in the Golden Globe-nominated 'The Doris Day Show,' until it ended in 1973. After she stepped away from the spotlight and rarely made appearances.

Day never won an Academy Award, but Day was given a Presidential Medal of Freedom in 2004. She was married 4 times and lost her only child, a son, Terry Melcher. He was a musician and record producer when he died of melanoma in 2004 at the age of 62.

Though she may be gone, Day will long be remembered as a legend of Hollywood's Golden Age.