Nayanthara and Vignesh Shivan's children, Uyir and Ulag, can be seen singing and vibing to Thangamey song from Naanum Rowdy Dhaan. In a new video posted by Vignesh Shivan, the twin boys are glued on to the television where Nayanthara's Thangamey song is playing. Here's the video: Recently, Nayanthara and Vignesh Shivan made headlines after their documentary, Nayanthara: Beyond The …