[5] She was also referred to as "The Miniature Belle Baker",[6] with her ability to mimic the vocal performances of celebrities being particularly noted by the media,[7] and was additionally likened to Sophie Tucker and Marion Harris.

Froos was able to convince her mother to, at the age of 7, allow her to act as a part of the Kiddie Cabaret group that performed vaudeville in Washington D.C.[9] She was confronted, however, by women of the Gerry Society backstage who were against child labor law violations.

[9] When she was eight, she began appearing as "Baby Sylvia" in bookings across the country, including on the Keith Circuit,[10] and was repeatedly confronted by members of the Gerry Society and she was taken to court after a performance in New Orleans.

[16] Her official Broadway debut was years later when she performed solo singing acts at the Palace Theatre in New York City.

[17] Once she was old enough to perform with them, she started touring with vaudeville groups nationally alongside other later famous figures including the Marx Brothers, Buddy Rogers, and Bing Crosby.

[24] While most moviemaking was based in Hollywood, some of the major film companies maintained studios on the east coast in the 1930s, largely for the production of short subjects.

Educational usually co-starred her with singer Warren Hull in its "Young Romance" musical comedies, with such titles as All For One[25] and Love in a Hurry.