C onnie Francis was a giant of 1950s and '60s sugary-sweet pop, notching more than a dozen hits. In the months leading up to her death, announced Thursday, she experienced one more in “Pretty Little Baby,” which has become a viral hit on TikTok six decades after its release.

Connie Francis, the wholesome pop star of the 1950s and 1960s whose hits include “Pretty Little Baby” and who would later serve as an ironic title for a personal life filled with heartbreak and trage...

Her earliest recordings attracted little attention, but then she released her version of “Who’s Sorry Now?” an old ballad by Ted Snyder, Bert Kalmar and Harry Ruby.