Rosalina is the stepsister of Josh and Nat's former girlfriend. She is also the bass player of The Naked Brothers Band.
History
Rosalina was born to an unknown mother and her father. She grew up developing an interest in music, learning how to play several instruments.
Personality
N/A
Relationships
Nat Wolff
Main article: Natalina
Bobby Love
In his only appearance, Battle of the Bands, Rosalina stated she didn't love Bobby, and only respected him as a musician. When she first saw him at the photoshoot, however, she was touched by what he said about Little Kids Rocks and the children. Bobby then offered to take her for a motorcycle ride, which she accepted.