J.K. Rowling, left, has gone off on Emma Watson in a lengthy social media post. (Stuart C. Wilson / Getty Images, left; Dia Dipasupil / Getty Images, right) J.K. Rowling wants you to know that "Harry ...

Add Yahoo as a preferred source to see more of our stories on Google. J.K. Rowling (Credit: Dia Dipasupil/Getty Images) In an apparent jab to her one-time “Harry Potter” child star Emma Watson, J.K.

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: Chris Jackson/Chris Jackson Collection via Getty Images J.K. Rowling and Emma Watson’s cold war is far from over, as ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo by Stuart C. Wilson/Getty Images J.K. Rowling responded to one of the most talked-about updates surrounding HBO’s upcoming ...

Add Yahoo as a preferred source to see more of our stories on Google. J.K. Rowling, left, has gone off on Emma Watson in a lengthy social media post. (Stuart C. Wilson / Getty Images, left; Dia ...