Kayla Oaddams/WireImage Christina Aguilera knows how ... a Mugler show to really create a clean, simple yet beautiful hair look," he said. Aguilera, who has won five Grammys, is taking a night ...

Christina Aguilera stunned in a jaw-dropping personalised ... Dirrty and her ballad Beautiful. During the latter song, she had a projected backdrop with social media posts and news article ...

Only Christina Aguilera could belt her heart out and stop onlookers in their tracks all while crossing her arms and casually singing her hit "Beautiful" without a microphone. The Grammy-winning ...