Pink is expressing her frustrations with Twitter users who say she's "shading" Christina Aguilera in a recent ... "She was heckling me in the audience a little bit behind the director," she ...

Christina Aguilera, a pop icon for over two decades ... but it wasn't just her voice that captured the audience's attention. Her stage outfit quickly sparked a strong reaction on social media ...

The camera then cuts away to capture audience member Timberlake ... definitely – there was the Britney/Christina considered rivalry thing,” Aguilera confided. “Back in the day, whenever ...