Demi Lovato to Guest Star on 'From Dusk Till Dawn: The Series'

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Demi Lovato performs at the Diamond Island in Phnom Penh, Cambodia on May 5, 2015. 

Demi Lovato will have a guest starring role on Robert Rodriguez's vampire action show From Dusk Till Dawn: The Series, it was announced Tuesday. Lovato will appear on the season finale of the show's 10-episode second season that's currently in production in Austin, Texas.

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The singer and actress broke the news on Instagram with a photo of her and Rodriguez and another with fellow cast member and boyfriend Wilmer Valderrama. 

From From Dusk Till Dawn's sophomore season premieres on Aug 25 on El Rey Network. 

While the first season featured a story line very similar to Rodriguez's George Clooney-starrring film from 1996, the new season will expand the universe, traveling between Mexico and Texas, building the current characters' relationships and introducing new cast members as well.