Elvis makes waves in Fort Lauderdale.Spring Break in Fort Lauderdale. It's the perfect time and place for a girl, a guy, a beach blanket - and for a box-office bonanza when Elvis Presley goes Girl Happy.Rock 'n' roll's first icon was ranked 6th among the top box-office stars when he headlined this fun-never-sets shindig. He portrays club singer Rusty Wells, who, when not wowing the crowds has the added task of making sure the overly exuberant daughter of his boss (Harold J. Stone) doesn'tfall for any revved-up bikini chasers while on vacation. Shelley Fabares, Presley's favorite leading lady and a singing star in her own right (her 1962 tune Johnny Angel was a #1 hit), plays the daughter. And the lively songs include Do The Clam, Good News, Puppet On A String, the title tune and eight more ways to keep fans movie happy.