After Nat' unsuccessful attempts to tell Rosalina the truth about Bobby, he and the band make fun of her and she quits. She tells Bobby what happened, then throws away her music into the garbage, and when no one is looking, Bobby pilfers it. At the concert, Bobby's band plays Nat's new song that he stole from Rosalina. Bobby's fake identity is revealed. The Naked Brothers Band plays Nat's new song "Girl Of My Dreams", dedicated to Rosalina and they then win the Battle of the Bands.