Hollywood actress Reese Witherspoon has launched a blistering attack on Jessica Simpson, telling her to quit playing on her dumb blonde image. “Creating a cultural icon out of someone who goes, ‘I’m stupid, isn’t it cute?’ makes me want to throw daggers,” said the Sweet Home Alabama star. “I want to say to them, ‘oy Grandma did not fight for what she fought for, just so you can start telling women it’s fun to be stupid.’ Ironically, Reese herself has starred in movies sending up fairheads – Legally Blonde 1 & 2.