First recorded by The Gladiolas (R&B #11 1957).
Other hit version by The Diamonds (US #2 1957).
Also recorded by Sha Na Na (1969), Elvis Presley (1977).
From the wiki: “‘Little Darlin” was written by Maurice Williams and recorded as a rhythm-and-blues song by Williams’s R&B group, The Gladiolas, and quickly released in January 1957 by Excello Records.The Gladiolas, featuring Williams, were from Lancaster, South Carolina, where they had been together since high school. Their original version of the song peaked at #11 on the R&B charts in April 1957, but barely dented the Billboard Hot 100. (By 1959, Williams’ group became ‘Maurice Williams and the Zodiacs’ (‘Stay’).)