Boyer did not anticipate the explosive reaction to the video he shot at the Gillette Stadium show. He brought his grandmother to the concert because she’s a big fan of Coldplay’s hit “Viva La Vida,” describing it as “the one song she wanted to hear live before she dies.”

Chris Martin issued a playful warning to concertgoers during Coldplay's latest show, following the viral kiss cam drama that stemmed from the band's prior concert earlier in the week. Coldplay performed at the Camp Randall Stadium in Wisconsin on July 19.