India, May 19 -- More than six decades after it was first recorded, Connie Francis's Pretty Little Baby is suddenly everywhere, lighting up TikTok and Instagram with a wave of retro charm. Originally featured on her 1962 album Connie Francis Sings Second Hand Love, the song was never released as a single and remained a deep cut in her vast discography. But now, in a surprising twist, the track has become a viral sensation, with millions of users creating reels and videos set to its dreamy, heartfelt chorus: "You can ask the flowers / I sit for hours / Telling all the bluebirds / The bill and coo birds / Pretty little baby, I'm so in love with you."

From creators donning vintage outfits to parents singing to their babies, the trend has br...