She's a bombshell! Beyoncé goes blonde in the video teaser for new single Grown woman.   

Beyoncé's hair has gone through more colour changes than a mood ring, but for her new music video the singer has brought out her inner bombshell.
In the teaser for Grown Woman, Queen B shows off a platinum blonde hairdo to rival the lightened legends of the past Farrah Fawcett and Brigitte Bardot
Big, thick and bouncy, Beyoncé makes every last strand work for her in the upbeat video.