Nayanthara and Vignesh Shivan have been making the headlines every now and then with their adorable couple pictures. Recently, Vignesh Shivan wished his girlfriend Nayanthara on Friendship Day by posting a cute picture of themselves. The photo was taken the sets of Nayanthara's film Kolamaavu Kokila, where Nayanthara and Vignesh Shivan were shooting a promotional song along with composer Anirudh …
