PHOTOS: One Very Cool Day in the Life of Rick Springfield

The star shows us what it's really like to get the rock star treatment during a cruise with fans ahead of his Ricki and the Flash release

Springfield tunes up before taking the stage. "There's a guitar in the [Ricki and the Flash] screenplay that's a pivotal part in the storyline. It was mentioned as an SG, a 1968 SG, which is a Gibson. And my oldest guitar is a 1969 SG," he recently told Yahoo!. "That was the guitar I wrote 'Jessie's Girl' on … so it was like, seriously? This part had to be written for me!"