Portsmouth High School's 2015 graduates broke into a flash mob during their ceremony, and told everyone to "Shake It Off."

As WMUR reported class valedictorian Colin Yost lead his classmates, saying afterwards, "Oh my gosh, it was amazing. I could not have imagined it coming out any better myself."

Yost added, "We just wanted to do something that had a lot of energy and brought us all together as a class."

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Yemaya Lyles (right) wipes away tears during a news conference in front of the Rockdale County Public Schools administration building on Tuesday, Dec. 19, 2023. Lyles' son, Antonio, was assaulted by a paraprofessional, who has since been fired and charged with battery. Lyles says her case against the school district has dragged on since then. (Miguel Martinez/AJC 2023)

Credit: Miguel Martinez