EyeBiteTV Presents DEAR JOHN Premiere. Amanda Seyfried talks about working with Channing Tatum and sings spontaneously on the red carpet. Furthermore she left the price tag on both shoes!!! Amanda Seyfried and Channing Tatum arrive at the Grauman's Chinese Theater. LOS ANGELES, CALIFORNIA. February 1, 2010. For more celebrity clips, please check out eyebite.tv