Sara Ali Khan’s first ever Bollywood song titled, Sweetheart from upcoming movie Kedarnath, has been released. Although this is the film’s second song but the first song NamoNamo had only Sushant Singh Rajput in it. Now, in this second song, Sara and Sushant are seen dancing together. Dressed in a bright yellow Punjabi suit , Sara looks vibrant in the song which is composed by Amit TrivedI.