According to Italian fashion designer Roberto Cavalli, Beyoncé uses different fashion styles to work with her music while performing. Her mother co-wrote a book, published in 2002, titled Destiny's Style an account of how fashion had an impact on the trio's success. The B'Day Anthology Video Album showed many instances of fashion-oriented footage, depicting classic to contemporary wardrobe styles. In <answer>2007</answer>, Beyoncé was featured on the cover of the Sports Illustrated Swimsuit Issue, becoming the second African American woman after Tyra Banks, and People magazine recognized Beyoncé as the best-dressed celebrity.
When was she on the Sports Illustrated cover?
2007