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Lumi Pollack on Her 'Camp Rock 3' Role, Cello Mastery, and Demi Lovato's Career Advice

Ricky GervaisRicky GervaisAug 14, 2026

Lumi Pollack, a burgeoning talent, is poised for significant recognition following her role in the new Disney Channel film, 'Camp Rock 3.' The 17-year-old actress, known for her prior appearances in 'The Fallout' and 'Electric Bloom,' takes on the character of Rosie, a gifted cellist. The film, which recently premiered on Disney Channel and is now streaming on Disney+, is the latest installment in the popular musical franchise that first captivated audiences in 2008 with original stars Demi Lovato and the Jonas Brothers. Lovato and the Jonas siblings (Kevin, Joe, and Nick) not only serve as executive producers but also make special guest appearances, marking a highly anticipated return to the beloved series.

Pollack acknowledges the immense pressure and excitement accompanying her entry into such a well-established franchise. Initially, the prospect was daunting, but the supportive atmosphere created by the cast and crew quickly put her at ease. She describes the set as feeling like a 'summer camp,' fostering a sense of camaraderie that helped transform initial nerves into genuine enthusiasm. This positive environment enabled the young actors to form strong bonds, crucial for navigating the unique experience of starring in a major Disney production.

For her role as Rosie, a character who embarks on a journey of self-discovery while competing for a chance to open for the band Connect 3 (portrayed by the Jonas Brothers), Pollack undertook the challenging task of learning to play the cello. Despite her existing musical background in piano and guitar, mastering the cello proved to be a demanding endeavor. She dedicated up to two hours daily to rehearsals, even practicing in her hotel room, much to the chagrin of her temporary neighbors. Her instructor, Cyrena Huang, provided authentic cello lessons, refraining from teaching any shortcuts or 'faking it' techniques, ensuring Pollack's performance was as genuine as possible.

Although Pollack has not continued playing the cello since filming concluded due to its unwieldy nature, she has developed a profound respect for cellists. She believes playing the cello is more intricate and physically demanding than playing the guitar, requiring precise posture and finger placement. Witnessing the audience's reactions at the film's premiere, hearing laughter and knowing the jokes landed, was a particularly heartwarming experience for her, affirming that their collective vision for the movie resonated with viewers.

Pollack hopes that audiences, particularly young viewers, will connect with Rosie's personal journey. Rosie begins as a quiet and reserved individual, possessing inner talent but struggling to express it. With encouragement from her friends and mentors, she eventually breaks out of her shell. Pollack finds a parallel between Rosie's friendships in the film and her own real-life bonds with the cast members. Reflecting on advice received from Demi Lovato and the Jonas Brothers, Pollack shared that they encouraged the young cast to advocate for themselves, not to shy away from asking for breaks or saying no, and to truly savor every moment of the experience. Pollack's own advice to aspiring actors underscores the importance of passion, resilience, and maintaining self-confidence amidst challenges and criticism within the industry.

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