The Little Things Mean a Lot star passed away on Thursday (07Jan16) at her home in Cuernavaca, Mexico, according to the New York Times.

Kallen began her career on U.S. radio show The Children's Hour and performed with big bands as a teenager.

She went on to record songs including Besame Mucho, I'd Never Forgive Myself, and Kitty Who?, but decided to take a break from the stage in the 1950s after struggling with psychological issues. Kallen sought help from therapists for a few years, but ultimately overcame her problems on her own.

Kallen also appeared on TV shows like The Tonight Show with Johnny Carson, The Big Beat, and American Bandstand, while she had a role in Broadway's Finian's Rainbow and featured in the 1955 film The Second Greatest Sex.

In 1954, she was voted the most popular female singer in Billboard and Variety magazine polls.