Demi Lovato will perform the national anthem at Game 5 of the World Series.
Lovato will belt out the anthem on Monday.
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The Texas Rangers and the St. Louis Cardinals are tied 1-1 in the seven-game series.
Lovato got a boost from her big sister Dallas, who tweeted during Game 1 that her younger sister should sing the national anthem during the Major League Baseball championship series.
Game 3 airs Saturday and all games are being broadcast on Fox.
Lovato, the former star of the Disney Channel's "Sonny With a Chance," released her third album "Unbroken" last month.
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