Presenting "Wat Wat Wat" VIDEO Song in the voice of Arijit Singh & Shashwat Singh from bollywood movie Tamasha starring Ranbir Kapoor & Deepika Padukone in lead roles. <br />SONG: WAT WAT WAT <br />SINGER: ARIJIT SINGH, SHASHWAT SINGH <br />MUSIC: A.R. RAHMAN <br />LYRICS: IRSHAD KAMIL <br />MUSIC LABEL: T-SERIES