IMAGE DISTRIBUTED FOR STAPLES - Global pop star Katy Perry, center, with local students, left to right, Malia Lyons and Jamilah Copeland backstage at the CONSOL Energy Center during her Prismatic ... more 
IMAGE DISTRIBUTED FOR STAPLES - Global pop star Katy Perry, center, with local students, left to right, Malia Lyons and Jamilah Copeland backstage at the CONSOL Energy Center during her Prismatic World Tour performance on Tuesday, July 22, 2014 in Pittsburgh. Staples teamed up with superstar Katy Perry to "Make Roar Happen" and celebrate and support teachers during the back-to-school season by donating $1 million to DonorsChoose.org, a charity that has helped fund more than 450,000 classroom projects for teachers and impacted more than 11 million students. (Photo by Ed Rieker/Invision for Staples/AP Images) less 
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Associated Press
Wed, Jul 23, 2014 2:55 AM EDT