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The Band Perry is expanding their efforts in the fight against hunger. 

The country group's Kimberly Perry tells "Rolling Stone" the issue is "something that is near and dear" to their hearts.  She admits she and brothers Neil and Reid "had no idea" how widespread the problem was until they began working with the General Mills "Outnumber Hunger" campaign last year. 

Kimberly adds that the band is pleased to now be supporting Heifer International, which is tackling the issue on a global level. 

The Band Perry will play a benefit for Heifer in Los Angeles on Thursday.  The event will also include a presentation to actress Susan Sarandon for her years of work with the organization. 

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