Rita Robbins (Winters) released the single "(They Call It a) Teenage Crush" (A. Allison - J. Allison) in 1956. That's Chet Atkins on guitar, Bob Moore on bass and the background vocals by the Jordanaires.
Singer/actor and the former Mr. Nancy Sinatra, Tommy Sands got to the top of the chart with "Teenage Crush" in 1957. Tommy was fifteen when he was signed by Colonel Tom Parker. The hit is on the album "Steady Date".