Salman Khan and Katrina Kaif are leaving no stone unturned to create curiosity about their forthcoming film 'Tiger Zinda Hai'. The duo has been sharing several stills from the film. Recently, Salman-Katrina shared each other's pictures on Instagram. They also praised each other's 'swag' in the caption. The Dabangg Khan shared Katrina's image and captioned it as, "Ufff! @KatrinaKaif ka SWAG toh dekho! #SwagSeSwagat @TigerZindaHai." A few minutes later, Katrina shared a picture of Salman and captioned it, "Nobody does swag like @beingsalmankhan.......#swagseswagat @tigerzindahai." Following the photos, both the stars also shared a small teaser of Tiger Zinda Hai's first song 'Swag Se Swagat'. Sung by Vishal Dadlani and Neha Bhasin, the song has been unveiled today. The movie will hit theatres on December 22.