"When I started the record," says Beyoncé about her new double album I AM… SASHA FIERCE, "I knew that, artistically, I have to grow. Even though I've been very successful and very fortunate, I want to still be challenged and still be nervous and still be anxious about all the things that make my career exciting."

One of 2008's most hotly anticipated new album releases, I AM… SASHA FIERCE is Beyoncé's first new studio collection since her Grammy-winning multi-platinum-selling B'Day debuted at 1 on charts around the... more