Star Struck

What happens when Jack Frost the pop star meets Elsa Arendelle who did know who his was but wasn't crazy about him. What happens when after spending time with each other they start to have feeling for each other but Jack has a girlfriend. What happens when his girlfriend Brakes up with him and he goes out with Elsa but what happens when his career is on the line and they tell him he has to broke up with Elsa or his career is over which one will he choose or will he be able to keep his career and Elsa.