Beyonce April 1, 2009

Beyonce becomes her alter ego Sasha Fierce on part of her 2009 'I Am..." World Tour, her first outing since 2007. The Grammy-winning Beyonce Knowles shot to fame as one-third of Destiny's Child and has enjoyed a successful solo career. Her 2003 solo debut, 'Dangerously in Love,' was a multi-platinum success with such hits as 'Crazy in Love' and 'Baby Boy.' She also co-starred in 'Austin Powers in Goldmember' and the 2006 film version of the musical 'Dreamgirls.' Her second effort, 'B'day' solidified her diva status with the Billboard chart-toppers 'Irreplaceable,' 'Deja Vu' and her duet with Shakira, 'Beautiful Liar.'