Emma Watson Instagrams glorious 'Harry Potter' throwback to mark J.K. Rowling's birthday
3:36am PDT - July 31st, 2019 harry potter birthday - MashableJ.K. Rowling turns 54 today. Throughout the morning, a huge number of fans took to social media to send her happy birthday wishes. Emma Watson was among them. The Harry Potter star hit Twitter and Instagram to share an undeniably wonderful photo of herself, R…