Esther Renay Dean is an American singer, songwriter, record producer, and actress. Dean has also written songs for many artists, with numerous Top 10 hits, including No. 1 hits for Rihanna and Katy Perry, earning the name “The Song Factory”.

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In 2011, Dean contributed to the soundtrack for the animated film, Rio by Blue Sky Studios.

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At the 54th Annual Grammy Awards, Dean was nominated for Album of the Year as a producer on Rihanna's album Loud.

In 2012, she voiced two of the characters in the fourth film in the Ice Age franchise, Ice Age: Continental Drift, and also wrote a song for the movie, entitled "We Are (Family)". Dean made her acting debut in the film Pitch Perfect (2012) as Cynthia-Rose Adams, a role she reprised for the sequels, Pitch Perfect 2 (2015) and Pitch Perfect 3 (2017). Source.