Crave Performances: Bambi Awards & CNN Heroes

In addition to Britney, Pink and Leona Lewis also performed at the German Bambi Awards. Meanwhile, Christina Aguilera and Alicia Keys both performed at the CNN Heroes event. Peep the performances below.

Pink - "Sober"

Leona Lewis - "Bleeding Love"

Christina Aguilera - "Beautiful"

Alicia Keys - "Superwoman"

What are your thoughts on the performances?