Sandra Bullock's brunette locks are no more.
The 50-year-old actress is now a blonde for her role in "Our Brand Is Crisis." Bullock was spotted sporting lighter locks on the set of the political dramedy in Puerto Rico on Tuesday:
She was joined on set by co-star Zoe Kazan:
The last time Bullock rocked blond hair was for her portrayal of Leigh Anne Tuohy in 2009's "The Blind Side," for which she won an Academy Award for Best Actress.