Beyonce had to put one of her fans in check during her performance in Atlanta at the Mrs. Carter Show world tour stop. The singer was performing "Irreplaceable" and invited her fans to sing along with her. When she got to one guy, he was busy taping her performance. She said, "'Sing!' Fan: 'To the left, to the . . .' Beyonce: 'You can't even sing cuz you too busy taping. I'm right in yo' face baby, you gotta seize this moment, put that damn camera down!' (crowd cheers) Beyonce: 'Sing! To the Left . . .' Fan: 'To the left, to the ...' Beyonce: 'Yeah, that's much better."  Meanwhile, Beyonce was spotted in Target in her hometown of Houston this past weekend.