Girl Happy
Starring Elvis Presley, Shelley Fabares, Harold J. Stone, Gary Crosby, Joby Baker, Nita Talbot, Mary Ann Mobley, Fabrizio Mioni, Jimmy Hawkins, Jackie Coogan
It's a comedy and music movie, and has a rating of 6.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.