Legendary American singer Connie Francis, most popularly known for her song 'Pretty Little Baby' that has been recently going viral on social media, has passed away at 87.

Popular '60s pop singer Connie Francis, best known for her viral song “Pretty Little Baby,” has died at age 87, her copyright manager confirmed on Thursday.

"She died knowing her song became famous again," a commenter wrote on Connie Francis' TikTok page after her death this week.

TikTok videos using the song have racked up a massive 45 billion views this year, a response Francis called ‘overwhelming’ before her death.

Connie Francis's death comes just weeks after her hit track Pretty Little Baby, originally released in 1962, found a new audience online after going viral on Instagram and TikTok.

Connie Francis, a pop star who dominated the charts in the late 1950s and early '60s with hits like 'Pretty Little Baby' and 'Who's Sorry Now,' has died at 87.

Connie Francis, the 1950s and '60s pop star whose hits include "Pretty Little Baby," has died, according to her publicist. She was 87. CBS News' Vlad Duthiers reports.

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.

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Hooky, feel-good pop songs tend to do well on TikTok, and 1962's “Pretty Little Baby” is an exemplar of that phenomenon. Users gravitated toward the song's wholesome simplicity, sweet vocals ...

Francis saw a resurgence in fame when her 1962 song “Pretty Little Baby” went viral on TikTok.