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Each year at the Oscars you can expect to see glammed-up Hollywood starlets and dashing leading men, and listen to lots of long speeches. But this Sunday's Academy Awards will have a special musical celebration honoring - what else? - musical films.

While the Oscars often feature performances of the songs up for Best Original Song, this year's Oscar will have a special musical tribute highlighting "Chicago," "Dreamgirls" and "Les Miserables," which is nominated for eight Academy Awards this year.

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Oscar producers announced Wednesday that Academy Award-winning actors Jennifer Hudson, Catherine Zeta-Jones and Russell Crowe will be a part of the celebration. They will join nominees Hugh Jackman and Anne Hathaway, as well as Amanda Seyfried, Eddie Redmayne, Aaron Tveit, Samantha Barksand and Helena Bonham Carter.

"We are pleased to have been able to amass so much talent to create the celebration of musicals of the last decade that we envisioned," show producers Craig Zadan and Neil Meron said in a press release. "We are thrilled that so many talented actors have agreed to bring our vision to life."

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Make sure to tune in to Backstage Pass on Oscar Sunday to see your favorite celebrities walk the red carpet and follow the winners backstage. Click here to learn how!