Published on Oct 31, 2015 br br 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 exclusively on T-Series. br SONG: WAT WAT WAT br SINGER: ARIJIT SINGH, SHASHWAT SINGH br MUSIC: A.R.