Britney Spears Rocks a Black Bob Britney Spears ditched her signature blonde locks for a sexy black bob wig to promote her latest fragrance Fantasy Twist. The pop star looked stunning in a pair of teeny black shorts and a backless satin top with a giant cross around her neck. The 30-year-old's new fragrance mixes her previous scents, Fantasy and Midnight Fantasy in one bottle design. Elizabeth Arden/Splash News