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Justin Guarini

Justin Guarini’s robust performance career launched with the first season of American Idol in 2002. His stage and screen appearances since then include Broadway productions of American Idiot, Romeo and Juliet, Wicked, and Women on the Verge of a Nervous Breakdown.

Justin has hosted shows shows like Idol Wrap and Idol Tonight along with live events for the TV Guide Network, the Oscars, the Emmys, and the Grammys. He continues to reprise his role as the lovable Lil’ Sweet in commercials for Diet Dr. Pepper.


Justin is a generous humanitarian: he has advocated for music education funding on Capitol Hill by lobbying for the International Music Products Association. He has worked with Education Through Music Los Angeles, a nonprofit utilizing music education as a catalyst to improve academic achievement, motivation for school, and self-confidence in under served communities. Justin has also partnered with and to participate in global kindness campaigns.


In 2019, Justin founded Audition Secrets to help performers achieve the success they work so hard for, and to show them how to keep their sanity as they navigate the insane Entertainment  Industry. He shares his tips, tricks, breadth of experience, and warrior mindset with a community of performers through books, podcasts, blogs, and dynamic training programs.


Justin is dedicated to his loving family; his wife, daughter, and sons make up his happy home. It is here that he draws his support and the desire to live his best life.

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