American actress Rhonda Fleming, also known by the nickname 'Queen of Technicolor', has passed away at the age of 97.

Her assistant reports this to

The New York Times.

Fleming died in a hospital in Santa Monica, California.

The cause of the death has not been disclosed.

The actress co-starred with Bing Crosby in color in

A Connecticut Yankee at King Arthur's Court

in 1949

.

Fleming's breakthrough came when films were first shown in color.

Fleming has also starred in films with actors such as Kirk Douglas and Burt Lancaster, among others.